APA-referens (7:e uppl.)

(1922). Vocation and the religious order (2nd ed.). Capuchin Fathers.

Chicago-referens (17:e uppl.)

Vocation and the Religious Order. 2nd ed. Milwuakee, Wis.: Capuchin Fathers, 1922.

MLA-referens (8:e uppl.)

Vocation and the Religious Order. 2nd ed. Capuchin Fathers, 1922.