Cita APA (7a ed.)

Shook, L. K., Biffi, I., & Rossi, M. S. (1991). Étienne Gilson ([1. ed.].). Jaca Book.

Cita Chicago Style (17a ed.)

Shook, Laurence K., Inos Biffi, y Maria Stefania Rossi. Étienne Gilson. [1. ed.]. Milano: Jaca Book, 1991.

Cita MLA (9a ed.)

Shook, Laurence K., et al. Étienne Gilson. [1. ed.]. Jaca Book, 1991.