APA (7th ed.) Citation

Marsilius, v. P., Gewirth, A., & Nederman, C. J. (2001). Defensor pacis. Columbia University Press.

Chicago Style (17th ed.) Citation

Marsilius, von Padua, Alan Gewirth, and Cary J. Nederman. Defensor Pacis. New York: Columbia University Press, 2001.

MLA (8th ed.) Citation

Marsilius, von Padua, et al. Defensor Pacis. Columbia University Press, 2001.