Cita APA (7a ed.)

Leck, R. M. (2016). Vita sexualis: Karl Ulrichs and the origins of sexual science. University of Illinois Press.

Cita Chicago Style (17a ed.)

Leck, Ralph Matthew. Vita Sexualis: Karl Ulrichs and the Origins of Sexual Science. Urbana, Chicago: University of Illinois Press, 2016.

Cita MLA (8a ed.)

Leck, Ralph Matthew. Vita Sexualis: Karl Ulrichs and the Origins of Sexual Science. University of Illinois Press, 2016.