Ruitenbeek, H. M. (1973). Homosexuality: A changing picture / edited by Hendrik M. Ruitenbeek. Souvenir.
Cita Chicago (17th ed.)Ruitenbeek, Hendrik M. Homosexuality: A Changing Picture / Edited by Hendrik M. Ruitenbeek. London: Souvenir, 1973.
Cita MLA (8th ed.)Ruitenbeek, Hendrik M. Homosexuality: A Changing Picture / Edited by Hendrik M. Ruitenbeek. Souvenir, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.