Cita APA (7th ed.)

Parens, J., & Macfarland, J. C. (2011). Medieval political philosophy: Sourcebook (Second edition.). Cornell University Press.

Cita Chicago (17th ed.)

Parens, Joshua, i Joseph C. Macfarland. Medieval Political Philosophy: Sourcebook. Second edition. Ithaca: Cornell University Press, 2011.

Cita MLA (9th ed.)

Parens, Joshua, i Joseph C. Macfarland. Medieval Political Philosophy: Sourcebook. Second edition. Cornell University Press, 2011.