This document provides an overview of the American Psychological Association (APA) style guide and its uses and conventions. APA style is commonly used for publications in social sciences like psychology, nursing, business, and education. It addresses various aspects of writing such as in-text citations, reference lists, headings, manuscript structure, grammar, and reducing bias. Following APA style helps establish credibility by appropriately citing sources and allowing readers to find relevant information. The document reviews guidelines for paraphrasing, quoting, and summarizing sources in the text and provides examples of different source types formatted according to APA style.