Style de citation APA (7e éd.)

Gruen, F. B., & Oisy, E. d. (1930). Catechism of the Third Order (15th ed.). Franciscan Herald Press.

Style de citation Chicago (17e éd.)

Gruen, Ferdinand Bernard, et Eugène d' Oisy. Catechism of the Third Order. 15th ed. Chicago, Ill.: Franciscan Herald Press, 1930.

Style de citation MLA (8e éd.)

Gruen, Ferdinand Bernard, et Eugène d' Oisy. Catechism of the Third Order. 15th ed. Franciscan Herald Press, 1930.