All subsequent lines for a reference should be indented one-half inch this is sometimes known as an "outdent" or "hanging indent. APA has a second format that uses normal (one-half inch) indents on the first line of a reference, then left justifies subsequent lines to the left margin.
Basic APA Facts, always double space, including the text of your paper, quot;tions, notes, and the reference page. Leave margins of at least one-inch at the top, bottom, right, and left of every page. Always use the last name of the author/authors and the year of publication. The year of publication always follows the name of the cited/quot;d authority. Note that commas separate items within parentheses. For example, (Smith, et. Al., 1995). When citing a work with six or more authors, name only the first author followed by et. al., for example, (Fredericks, et. Al., 1995). If the author is not given, use the first word or two of the title in the parenthetical citation. American Psychiatric Association. (1992). Publication manual of the American Psychological Association (3d ed.). Washington, DC: American Psychiatric Association. Book with no author or editorAlphabetize by book title. Student planning guide for degree programs and portfolios. Affective behaviors included exhibitions of anger such as shouting and throwing magazines at the television. Such behaviors were less evident behaviors in participants who watched television in groups of three. Instead, participants in group watching were more likely to interject critical or humorous comments regarding the content of particular television programs. Omit the words Publishing Company and Inc. From the publisher's name. Use one space after periods and other punctuation. Book by one author Zimbardo, P. (1992). Psychology and life (13 ed.). If you do so, remember to place the date immediately after the author's name. In his study on the effects of alcohol on drivers, Smith (1991) stated that "participants who drank twelve ounces of beer with a 3.5 alcohol content reacted, on average, 1.2 seconds more slowly to an emergency braking situation than they did when they had not ingested.