Cita APA (7th ed.)
Pieper, J., Winston, R., & Winston, C. (1991). Guide to Thomas Aquinas. Ignatius Press.
Cita Chicago (17th ed.)
Pieper, Josef, Richard Winston, i Clara Winston. Guide to Thomas Aquinas. San Francisco: Ignatius Press, 1991.
Cita MLA (9th ed.)
Pieper, Josef, et al. Guide to Thomas Aquinas. Ignatius Press, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.