Cita APA (7th ed.)

Boyd, S. J., & Lucie-Smith, E. (1989). Life class: The academic male nude 1820-1920 / edited by Stephen Boyd. Introduced by Edward Lucie-Smith. Gay Men's Press.

Cita Chicago (17th ed.)

Boyd, Stephen J., i Edward Lucie-Smith. Life Class: The Academic Male Nude 1820-1920 / Edited by Stephen Boyd. Introduced by Edward Lucie-Smith. London: Gay Men's Press, 1989.

Cita MLA (8th ed.)

Boyd, Stephen J., i Edward Lucie-Smith. Life Class: The Academic Male Nude 1820-1920 / Edited by Stephen Boyd. Introduced by Edward Lucie-Smith. Gay Men's Press, 1989.