Cita APA (7a ed.)

Hatton, N., & Hingsburger, D. (2001). The penis. Janssen.

Cita Chicago Style (17a ed.)

Hatton, Norman, y Dave Hingsburger. The Penis. Simon's Town: Janssen, 2001.

Cita MLA (8a ed.)

Hatton, Norman, y Dave Hingsburger. The Penis. Janssen, 2001.