APA (7th ed.) Zitazioa
Spencer, C. (1995). Homosexuality in history. Harcourt Brace.
Chicago Style (17th ed.) Zitazioa
Spencer, Colin. Homosexuality in History. New York: Harcourt Brace, 1995.
MLA (9th ed.) Zitazioa
Spencer, Colin. Homosexuality in History. Harcourt Brace, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.