Author, A. A. (Year). *Title of work*. Publisher.
Let's break down each part and add examples:
* Author, A. A.: List the author's last name, followed by their initials. Use an ampersand (&) to separate multiple authors. If there are more than 20 authors, list the first 19, then an ellipsis (...), and then the last author.
* (Year): The year of publication in parentheses.
* Title of work: The title of the book is italicized. Capitalize only the first letter of the first word of the title and subtitle, and any proper nouns.
* Publisher: The name of the publisher. If there are multiple publishers, list the primary one.
Examples:
* One Author:
Smith, J. (2023). *The psychology of learning*. Routledge.
* Two Authors:
Smith, J., & Jones, A. (2022). *Cognitive development in children*. Oxford University Press.
* Three or More Authors:
Brown, B., Miller, S., & Davis, K. (2021). *Social psychology*. Pearson.
* Edited Book:
Smith, J. (Ed.). (2020). *Advances in social psychology*. Cambridge University Press. (Note the "(Ed.)" after the author's name)
* Book with an Edition:
Jones, A. (2019). *Introduction to statistics* (2nd ed.). McGraw-Hill. (Note the edition number)
* No Author:
*The handbook of psychology*. (2018). American Psychological Association. (If no author is listed, the title moves to the author position and is italicized)
* Book with a DOI:
Smith, J. (2023). *The psychology of learning*. Routledge. https://doi.org/xxxxxxxxx
* Book with a URL (if no DOI):
Smith, J. (2023). *The psychology of learning*. Routledge. https://www.routledge.com/9781138712345
Remember to replace the bracketed information with the actual information from your source. Always double-check your citation against the APA 7th edition manual for the most accurate guidance, especially for more complex cases.