Παραπομπή σε μορφή APA (7η εκδ.)

Strauss, L., & Cropsey, J. (1987). History of political philosophy (3rd edition.). The University of Chicago Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Strauss, Leo, και Joseph Cropsey. History of Political Philosophy. 3rd edition. Chicago: The University of Chicago Press, 1987.

Παραπομπή σε μορφή MLA (8th εκδ.)

Strauss, Leo, και Joseph Cropsey. History of Political Philosophy. 3rd edition. The University of Chicago Press, 1987.