APA (7th ed.) Citation

Pedro Tomas & Buytaert, É. M. (1957). Quodlibet. The Franciscan Insitute.

Chicago Style (17th ed.) Citation

Pedro Tomas and Éloi Marie Buytaert. Quodlibet. Nueva York: The Franciscan Insitute, 1957.

MLA (9th ed.) Citation

Pedro Tomas and Éloi Marie Buytaert. Quodlibet. The Franciscan Insitute, 1957.