Cita APA (7a ed.)

Nold, P., & Johannes XXII. Papst. (2009). Marriage advice for a Pope: John XXII and the power to dissolve. Medieval law and its practice.

Cita Chicago Style (17a ed.)

Nold, Patrick, y Johannes XXII. Papst. "Marriage Advice for a Pope: John XXII and the Power to Dissolve." Medieval Law and Its Practice 2009.

Cita MLA (9a ed.)

Nold, Patrick, y Johannes XXII. Papst. "Marriage Advice for a Pope: John XXII and the Power to Dissolve." Medieval Law and Its Practice, 2009.

Precaución: Estas citas no son 100% exactas.