Cita APA (7th ed.)

Strauss, L., & Cropsey, J. (1963). History of political philosophy. Rand McNally.

Cita Chicago (17th ed.)

Strauss, Leo, i Joseph Cropsey. History of Political Philosophy. Chicago: Rand McNally, 1963.

Cita MLA (9th ed.)

Strauss, Leo, i Joseph Cropsey. History of Political Philosophy. Rand McNally, 1963.