Cita APA (7a ed.)

Stern-Gillet, S., & Gurtler, G. M. (2014). Ancient and medieval concepts of friendship. State University of New York Press.

Cita Chicago Style (17a ed.)

Stern-Gillet, Suzanne, y Gary M. Gurtler. Ancient and Medieval Concepts of Friendship. Albany: State University of New York Press, 2014.

Cita MLA (9a ed.)

Stern-Gillet, Suzanne, y Gary M. Gurtler. Ancient and Medieval Concepts of Friendship. State University of New York Press, 2014.