Cita APA (7a ed.)

Geddes, P., & Thomson, J. (1889). The evolution of sex. Walter Scott.

Cita Chicago Style (17a ed.)

Geddes, Patrick, y Joseph Thomson. The Evolution of Sex. London: Walter Scott, 1889.

Cita MLA (9a ed.)

Geddes, Patrick, y Joseph Thomson. The Evolution of Sex. Walter Scott, 1889.