Cita APA (7a ed.)

Tomás de Aquino, S., Regan, R. J., & Baumgarth, W. P. (2002). On law, morality, and politics (2nd ed.). Hackett.

Cita Chicago Style (17a ed.)

Tomás de Aquino, Santo, Richard J. Regan, y William P. Baumgarth. On Law, Morality, and Politics. 2nd ed. Indianapolis: Hackett, 2002.

Cita MLA (9a ed.)

Tomás de Aquino, Santo, et al. On Law, Morality, and Politics. 2nd ed. Hackett, 2002.