APA (7th ed.) Citation

Bullough, V. L. (1979). Homosexuality, a history. New American Library.

Chicago Style (17th ed.) Citation

Bullough, Vern L. Homosexuality, a History. New York: New American Library, 1979.

MLA (9th ed.) Citation

Bullough, Vern L. Homosexuality, a History. New American Library, 1979.