Citationsy Styles and Style Guides


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Optics Communications
Optics Express
Optik
Optimization and Engineering
Optimization Letters
Optimization
Opto-Electronics Review
Optometry & Vision Science
OR Spectrum
Oral and Maxillofacial Surgery Cases
Oral and Maxillofacial Surgery
Oral Diseases
Oral Oncology
Oral Radiology
Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
Order
Ore Geology Reviews
Organic Agriculture
Organic & Biomolecular Chemistry
Organic Chemistry Frontiers
Organic Electronics
Organic Geochemistry
Organic Letters
Organic Process Research & Development
Organisationsberatung, Supervision, Coaching (German)
Organisms Diversity & Evolution
Organization Science
Organization Studies
Organization
Organizational Behavior and Human Decision Processes
Organogenesis
Organometallics
Oriental Pharmacy and Experimental Medicine
Origins of Life and Evolution of Biospheres
ORL
Ornitología Neotropical
Orphanet Journal of Rare Diseases
Ortho Magazine
Orthodontic Waves
Orthopädie und Unfallchirurgie up2date
Orthopaedics & Traumatology: Surgery & Research
Orthopedic Clinics of North America
Orthopedics
Oryx
OSCOLA (Oxford University Standard for Citation of Legal Authorities) (no Ibid.)
OSCOLA (Oxford University Standard for Citation of Legal Authorities)
Osteoarthritis and Cartilage
Osteoporosis and Sarcopenia
Osteoporosis International
Österreichische Zeitschrift für Politikwissenschaft (German - Austria)
Österreichische Zeitschrift für Soziologie (German)
Ostrava Journal of English Philology
Otolaryngologia Polska
Otolaryngology Case Reports
Otolaryngology - Head and Neck Surgery
Otto-von-Guericke-Universität Magdeburg - Medizinische Fakultät (numeric)
O.W. Barth Verlag (German)
Oxford Art Journal
Oxford Centre for Mission Studies - Harvard
Oxford German Studies
Oxford Review of Education
Oxford Studies in Ancient Philosophy
Oxford Studies on the Roman Economy
The University of New South Wales - Oxford
Oxford University Press HUMSOC
Oxford University Press SciMed (author-date)
Oxford University Press SciMed (numeric)
Oxidation of Metals
Oxymag
Pacific-Basin Finance Journal
Pacific Journal of Mathematics for Industry
Pacific Science Review A: Natural Science and Engineering
Pacific Science Review B: Humanities and Social Sciences
Pacific Science Review
Pädagogische Hochschule Fachhochschule Nordwestschweiz (German - Switzerland)
Pädagogische Hochschule Heidelberg (German)
Pädagogische Hochschule Vorarlberg (German)
Paddy and Water Environment
Pädiatrie & Pädologie (German)
Pädiatrie up2date
Paediatric and Perinatal Epidemiology
Paediatric Respiratory Reviews
Pain and Therapy
Pain Management Nursing
Pain Management
PAIN
Pakistan Journal of Medical Research
Pakistan Journal of Otolaryngology, Head and Neck Surgery
Pakistan Veterinary Journal
Palaeobiodiversity and Palaeoenvironments
Palaeogeography, Palaeoclimatology, Palaeoecology
Palaeontographica Abteilung B: Palaeobotany - Palaeophytology
Palaeontologia Electronica
Palaeontology
Palaeovertebrata
Palaeoworld
Palaios
Paläontologische Zeitschrift
Paleobiology
Paleoceanography
Palynology
Pancreatology
Papillomavirus Research
Parallel Computing
Parasite Epidemiology and Control
Parasites & Vectors
Parasitology International
Parasitology Research
Parasitology
Parkinsonism and Related Disorders
Particle and Fibre Toxicology
Particuology
Past & Present
Pastoral Care in Education
Pastoral Psychology
Pastoralism
Pathobiology
Pathogenesis
Pathogens and Disease
Pathogens
Pathology & Oncology Research
Pathology International
Pathology - Research and Practice
Pathology
Pathophysiology
Patient Education and Counseling
Patient Safety in Surgery
Pattern Analysis and Applications
Pattern Recognition Letters
Pattern Recognition
Peace and Conflict: Journal of Peace Psychology
Pedagogická orientace
Pedagogies: An International Journal
Pedagogy, Culture & Society
Pediatria Polska
Pediatric Allergy and Immunology
Pediatric Anesthesia
Pediatric Annals
Pediatric Blood & Cancer
Pediatric Cardiology
Pediatric Critical Care Medicine
Pediatric Dental Journal
Pediatric Dentistry Case Reports
Pediatric Drugs
Pediatric Hematology Oncology Journal
Pediatric Infectious Disease
Pediatric Nephrology
Pediatric Neurology
Pediatric Neurosurgery
Pediatric Physical Therapy
Pediatric Radiology
Pediatric Research
Pediatric Rheumatology
Pediatric Surgery International
Pediatrics International
Pediatrics
Pedobiologia - Journal of Soil Ecology
Peer-to-Peer Networking and Applications
PeerJ
Peptides
Perfectionnement en Pédiatrie
Performance Enhancement & Health
Performance Evaluation
Periodica Mathematica Hungarica
Periodicum Biologorum
Periodontology 2000
Perioperative Care and Operating Room Management
Perioperative Medicine
Permafrost and Periglacial Processes
Person-Centered & Experiential Psychotherapies
Personal and Ubiquitous Computing
Personality and Individual Differences
Personality Disorders: Theory, Research, and Treatment
Personalized Medicine in Psychiatry
Personalized Medicine Universe
Personalized Medicine
Perspectives in Ecology and Conservation
Perspectives in Medicine
Perspectives in Plant Ecology, Evolution and Systematics
Perspectives in Science
Perspectives on Medical Education
Perspectives on Politics
Perspectives on Sexual and Reproductive Health
Perspectives: Policy and Practice in Higher Education
Perspectives
Pervasive and Mobile Computing
Pest Management Science
Pesticide Biochemistry and Physiology
Petit Chicago (author-date, French - Canada)
Petroleum Geoscience
Petroleum Research
Petroleum Science
Petroleum
Pflügers Archiv - European Journal of Physiology
Pharmaceutical Bioprocessing
Pharmaceutical Medicine
Pharmaceutical Methods
Pharmaceutical Patent Analyst
Pharmaceutical Research
Pharmaceuticals
Pharmaceutics
Pharmaceutisch Weekblad (Dutch)
PharmacoEconomics Italian Research Articles
PharmacoEconomics Spanish Research Articles (Spanish)
PharmacoEconomics
Pharmacoepidemiology and Drug Safety
Pharmacogenomics
Pharmacognosy Journal
Pharmacognosy Magazine
Pharmacognosy Reviews
Pharmacological Reports
Pharmacological Research
Pharmacological Reviews
Pharmacology and Therapeutics
Pharmacology, Biochemistry and Behavior
Pharmacology
Pharmacopsychiatry
Pharmacotherapy
Pharmacy Today
Pharmacy
PharmaNutrition
Phase Transitions
Phenomenology and the Cognitive Sciences
Philippika (German)
Philippine Political Science Journal
Philipps-Universität Marburg - Erziehungswissenschaften (note, German)
Philosophia Scientiæ
Philosophia
Philosophical Explorations
Philosophical Psychology
Philosophical Studies
Philosophical Transactions of the Royal Society A
Philosophical Transactions of the Royal Society B
Philosophies
Philosophiques (French)
Philosophy & Technology
Philosophy, Ethics, and Humanities in Medicine
Philosophy of Management
Photoacoustics
Photochemical & Photobiological Sciences
Photochemistry and Photobiology
Photodiagnosis and Photodynamic Therapy
Photonic Network Communications
Photonics
Photosynthesis Research
Phycological Research
Phyllomedusa
Physica A: Statistical Mechanics and its Applications
Physica B: Physics of Condensed Matter
Physica C: Superconductivity and its applications
Physica D: Nonlinear Phenomena
Physica E: Low-dimensional Systems and Nanostructures
Physica Medica
Physica Scripta
Physical Biology
Physical Chemistry Chemical Physics
Physical Communication
Physical Education and Sport Pedagogy
Physical Review A
Physical Review B
Physical Review C
Physical Review D
Physical Review E
Physical Review Letters
Physical Therapy in Sport
Physics and Chemistry of Liquids
Physics and Chemistry of Minerals
Physics and Chemistry of the Earth
Physics and Imaging in Radiation Oncology
Physics Education
Physics in Medicine and Biology
Physics in Medicine
Physics Letters A
Physics Letters B
Physics of Fluids
Physics of Life Reviews
Physics of Plasmas
Physics of the Dark Universe
Physics of the Earth and Planetary Interiors
Physics Reports
Physics-Uspekhi
Physikalische Medizin, Rehabilitationsmedizin, Kurortmedizin
Physiological and Biochemical Zoology
Physiological and Molecular Plant Pathology
Physiological Genomics
Physiological Measurement
Physiological Reviews
Physiology & Behavior
Physiology and Molecular Biology of Plants
Physiology
Physiotherapy
Phytochemistry Letters
Phytochemistry Reviews
Phytochemistry
Phytomedicine
Phytoparasitica
Phytopathology
PiD - Psychotherapie im Dialog
Pilot and Feasibility Studies
Pisa University Press
Pituitary
Placenta
Planetary and Space Science
Planetary Science
Planning Perspectives
Planning Practice & Research
Planning Theory & Practice
Plant & Cell Physiology
Plant and Soil
Plant Biology
Plant Biotechnology Journal
Plant Biotechnology Reports
Plant, Cell & Environment
Plant Cell Reports
Plant Cell, Tissue and Organ Culture
Plant Disease
Plant Diversity
Plant Ecology
Plant Foods for Human Nutrition
Plant Gene
Plant Growth Regulation
Plant Methods
Plant Molecular Biology Reporter
Plant Molecular Biology
Plant Pathology
Plant Physiology and Biochemistry
Plant Physiology
Plant Reproduction
Plant Science
Plant Signaling & Behavior
Plant Systematics and Evolution
Planta Medica International Open
Planta Medica
Planta
Plants
Plasma Chemistry and Plasma Processing
Plasma Physics and Controlled Fusion
Plasma Science and Technology
Plasma Sources Science and Technology
Plasmid
Plasmonics
Plastic and Reconstructive Surgery - Global open.
Plastic and Reconstructive Surgery
PLOS Biology
PLOS Computational Biology
PLOS Genetics
PLOS Medicine
PLOS Neglected Tropical Diseases
PLOS ONE
PLOS Pathogens
Public Library of Science
PM&R
Proceedings of the National Academy of Sciences of the United States of America
Pneumologie
Podosophia (Dutch)
Podzemná voda (Slovak)
Poetics
Polar Biology
Polar Science
Police Practice and Research
Policy and Society
Policy Sciences
Policy Studies
Polish Annals of Medicine
Polish Journal of Applied Psychology
Polish Legal (Polish)
Political Behavior
Political Geography
Political Studies
Politics, Groups, and Identities
Politikon
Politische Vierteljahresschrift (German)
Politix (French)
Polski Przegląd Otorynolaryngologiczny
Polyhedron
Polymer Bulletin
Polymer Chemistry
Polymer Degradation and Stability
Polymer Journal
Polymer Reviews
Polymer Testing
Polymer
Polymers
Pontifical Athenaeum Regina Apostolorum
Pontifical Biblical Institute
Pontifical Gregorian University (German)
Pontifical Gregorian University (English)
Pontifical Gregorian University (Spanish)
Pontifical Gregorian University (French)
Pontifical Gregorian University (Italian)
Population and Environment
Population Ecology
Population (English)
Population Health Metrics
Population Research and Policy Review
Population, Space and Place
Population (French)
Porcine Health Management
Portuguese Economic Journal
Portuguese Studies
Positivity
Post-Soviet Affairs
Postępy Higieny i Medycyny Doświadczalnej (Polish)
Postępy Psychiatrii i Neurologii
Postgraduate Medical Journal
Postgraduate Medicine
Postharvest Biology and Technology
Potato Research
Potential Analysis
Poultry Science
Pour réussir (note, French - Canada)
Powder Technology
PPmP - Psychotherapie - Psychosomatik - Medizinische Psychologie
Practical Laboratory Medicine
Practical Neurology
Practical Radiation Oncology
Practice Periodical on Structural Design and Construction
Practice
Pratique médicale et chirurgicale de l'animal de compagnie
Pratique Neurologique - FMC
Pratiques en nutrition
Pratiques psychologiques
Prävention und Gesundheitsförderung (German)
Precambrian Research
Precision Agriculture
Precision Engineering
Pregnancy Hypertension: An International Journal of Women's Cardiovascular Health
Prehospital Emergency Care
Preslia - The Journal of the Czech Botanical Society
Presses universitaires de Paris Nanterre (note, French)
Presses Universitaires de Rennes - Archéologie et Culture (French)
Presses Universitaires de Rennes (French)
Prevention Science
Preventive Medicine
Preventive Veterinary Medicine
Primary Care: Clinics in Office Practice
Primary Care Diabetes
Primate Biology
Primates
Prion
Probabilistic Engineering Mechanics
Probability Theory and Related Fields
Probiotics and Antimicrobial Proteins
Procedia Early Career Research
Procedia Economics and Finance
Procedia Manufacturing
Procedia Materials Science
Procedia Structural Integrity
Proceedings of the Geologists' Association
Proceedings of the IEEE
Proceedings of the National Academy of Sciences, India Section A: Physical Sciences
Proceedings of the National Academy of Sciences, India Section B: Biological Sciences
Proceedings of the Royal Society A
Proceedings of the Royal Society B
Proceedings of the Yorkshire Geological Society
Proceedings of the Zoological Society
Proceedings
Process Biochemistry
Process Safety and Environmental Protection
Processes




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