Cita APA (7a ed.)

Juan XXI, P., & Mullally, J. P. (1945). The Summulae logicales of Peter of Spain. Notre Dame.

Cita Chicago Style (17a ed.)

Juan XXI, Papa, y Joseph P. Mullally. The Summulae Logicales of Peter of Spain. Indiana: Notre Dame, 1945.

Cita MLA (9a ed.)

Juan XXI, Papa, y Joseph P. Mullally. The Summulae Logicales of Peter of Spain. Notre Dame, 1945.