It is important that writers correctly cite materials so their readers can follow up on facts, and so they are not accused of plagiarism. The citation of technical manuals in American Psychological Association format should follow the basic rules for citing printed books.
List the author or authoring organization. If the author is a person's name, the last name should appear first, followed by a comma and then the first name and middle initial (if applicable).
List the year of publication in parentheses, followed by a period. Make sure the period falls outside the parentheses.
List the title of the manual in italics, followed by a period. If there is a subtitle, the title and subtitle should be separated by a colon. The subtitle should also appear in italics.
List the city of publication, followed by a colon.
List the name of the publisher, followed by a period.