This guide is based on The Bluebook. For more details and examples, consult The Bluebook: A Uniform System of Citation (19th ed.) 2010. (REF KF 245 U55 2010).
If the author's name is not included in the narrative:
(Author's Last Name, Year of publication)
If the author's name is not included in the narrative and a direct quote is used:
(Author's Last Name, Year of publication, Page number)
If the author's name is included in the narrative:
(Year, page range)
If the author's name is included in the narrative and a direct quote is used, the page number may appear after the quote:
Work by One Author
In a recent study of reaction times, Rogers (1994) described the method...
Work by One Author, specific page cited
This is the definition of the eyewitness (Bekerian, 1993, p. 575)
Work by Two Authors
(Walker & Allen, 2004)
Work by Three to Five Authors (first reference in text - all authors included)
"The most effective way of teaching Spanish…is not by rote" (Valdés, Lozano, García-Moya, 1982).
Work by Three to Five Authors (subsequent references in text - one author et al.)
...others have made this point well (Valdés et al., 1981).
Work by Six of More Authors
...a recent study confirms this (Jones et al., 1988).
Work with No Author (Newspaper article)
("New Drug," 1993, p. C3).