Citation Guide
APA Citation Guide
American Psychological Association — 7th Edition
Most common style for social sciences, psychology, and education.
APA style was developed by the American Psychological Association and is now in its 7th edition, published in 2019. It provides a standardized framework for scholarly writing and citation that emphasizes clarity, precision, and the ethical attribution of sources.
APA is the dominant citation style in psychology, education, and the social sciences. It is also widely required in nursing, business, and communication programs at universities worldwide.
APA uses an author-date in-text citation system (e.g., Smith, 2023) and places emphasis on the recency of sources. The reference list is organized alphabetically, and the format includes specific rules for DOIs, URLs, and retrieval dates.
How to cite by source type
Website
How to Cite a Website in APA 7th Edition
Book
How to Cite a Book in APA 7th Edition
Journal Article
How to Cite a Journal Article in APA 7th Edition
Article
How to Cite an Article in APA 7th Edition
Tweet / X Post
How to Cite a Tweet or X Post in APA 7th Edition
Instagram Post
How to Cite an Instagram Post in APA 7th Edition
TikTok Video
How to Cite a TikTok Video in APA 7th Edition
Common mistakes by source type
Website
Most frequent errors and quick fixes
Book
Most frequent errors and quick fixes
Journal Article
Most frequent errors and quick fixes
Article
Most frequent errors and quick fixes
Tweet / X Post
Most frequent errors and quick fixes
Instagram Post
Most frequent errors and quick fixes
TikTok Video
Most frequent errors and quick fixes
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