This document provides guidance on citing sources in APA style. It addresses citing single authors, two authors, three or more authors, internet sources without page numbers, block quotes, paraphrasing, and number rules. For single authors, the last name and year are used. For two authors, "and" is used between last names. For three or more authors, the last name of the first author plus "et al." is used after the first citation. Block quotes are indented without quotation marks and include the page number in parentheses after. Paraphrasing follows similar formats without page/paragraph numbers. Number rules specify using words for 1-9 and numbers for 10 and up, with exceptions for age, time, and