APA (American Psychological Association) style is a widely used format for writing and citing sources in academic papers, especially in the social sciences. It provides guidelines for structure, in-text citations, and references to help ensure clarity and consistency in scholarly writing.
MLA (Modern Language Association) style is a standardized format for writing and citing sources in academic work, commonly used in the humanities, especially in literature, language, and cultural studies. It provides rules for formatting papers, in-text citations, and works cited pages to ensure clear and consistent presentation of research.
Chicago style is a citation and formatting guide developed by the University of Chicago Press, often used in history, art, and other humanities disciplines. It offers two documentation systems: Notes and Bibliography, typically used in humanities, and Author-Date, more common in the sciences. Chicago style helps writers present their sources clearly and consistently.
https://owl.purdue.edu/owl/research_and_citation/chicago_manual_17th_edition/cmos_formatting_and_style_guide/chicago_manual_of_style_17th_edition.html