APA (7th ed.) Citation

Greif, M. (1989). The gay book of days: An evocatively illustrated who's who of who is, was, may have been, probably was, and almost certainly seems to have been gay during the past 5000 years (7th ed.). New York: Carol Publishing Group.

Chicago Style (17th ed.) Citation

Greif, Martin. The Gay Book of Days: An Evocatively Illustrated Who's Who of Who Is, Was, May Have Been, Probably Was, and Almost Certainly Seems to Have Been Gay During the Past 5000 Years. 7th ed. New York: Carol Publishing Group, 1989.

MLA (8th ed.) Citation

Greif, Martin. The Gay Book of Days: An Evocatively Illustrated Who's Who of Who Is, Was, May Have Been, Probably Was, and Almost Certainly Seems to Have Been Gay During the Past 5000 Years. 7th ed. New York: Carol Publishing Group, 1989.