Cita APA (7a ed.)

Callahan, J. F. (1967). Augustine and the greek philosophers. University Press.

Cita Chicago Style (17a ed.)

Callahan, John F. Augustine and the Greek Philosophers. Villanova (USA): University Press, 1967.

Cita MLA (9a ed.)

Callahan, John F. Augustine and the Greek Philosophers. University Press, 1967.