Bullough, V. L. (1979). Homosexuality: A history. New American Library.
Cita Chicago (17th ed.)Bullough, Vern L. Homosexuality: A History. New York: New American Library, 1979.
Cita MLA (9th ed.)Bullough, Vern L. Homosexuality: A History. New American Library, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.