APA (7th ed.) Citation

Tomás de Aquino, S., Shapcote, L., Mortensen, J., & Alarcón, E. (2012). Summa theologiae. Aquinas Institute for the Study of Sacred Doctrine.

Chicago Style (17th ed.) Citation

Tomás de Aquino, Santo, Laurence Shapcote, John Mortensen, and Enrique Alarcón. Summa Theologiae. Lander, Wyo.: Aquinas Institute for the Study of Sacred Doctrine, 2012.

MLA (9th ed.) Citation

Tomás de Aquino, Santo, et al. Summa Theologiae. Aquinas Institute for the Study of Sacred Doctrine, 2012.