Cita APA (7a ed.)

Betzler, M. (2008). Kant's ethics of virtue. Walter de Gruyter.

Cita Chicago Style (17a ed.)

Betzler, Monika. Kant's Ethics of Virtue. Berlin [etc.]: Walter de Gruyter, 2008.

Cita MLA (9a ed.)

Betzler, Monika. Kant's Ethics of Virtue. Walter de Gruyter, 2008.