Citazione Stile APA (7a Edizione)

William, o. A., & Teske, R. J. (2009). On the virtues: Part one of On the virtues and vices. Marquette University Press.

Citazione stile Chigago Style (17a edizione)

William, of Auvergne, e Roland J. Teske. On the Virtues: Part One of On the Virtues and Vices. Milwaukee, Wis.: Marquette University Press, 2009.

Citatione MLA (9a ed.)

William, of Auvergne, e Roland J. Teske. On the Virtues: Part One of On the Virtues and Vices. Marquette University Press, 2009.