Cita APA (7a ed.)

Pedro Tomás 1280?-1340?, Hooper, M. R., & Buytaert, E. M. (1957). Quodlibet. The Franciscan Institute [etc.].

Cita Chicago Style (17a ed.)

Pedro Tomás 1280?-1340?, M. Rachel Hooper, y Eloi Marie Buytaert. Quodlibet. St. Bonaventure, N. Y. [etc.]: The Franciscan Institute [etc.], 1957.

Cita MLA (9a ed.)

Pedro Tomás 1280?-1340?, et al. Quodlibet. The Franciscan Institute [etc.], 1957.