APA (7th ed.) Zitazioa
Lee, J. A. (1990). Gay midlife and maturity. Harrington Park.
Chicago Style (17th ed.) Zitazioa
Lee, John Alan. Gay Midlife and Maturity. New York: Harrington Park, 1990.
MLA (9th ed.) Zitazioa
Lee, John Alan. Gay Midlife and Maturity. Harrington Park, 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.