APA (7e ed.) Bronvermelding

Frey, W. N. (1931). The act of religious profession: A brief historical synopsis and commentary. Catholic University of America.

Chicago (17e ed.) Bronvermelding

Frey, Wolfgang Norbert. The Act of Religious Profession: A Brief Historical Synopsis and Commentary. Washington, D.C.: Catholic University of America, 1931.

MLA (8e ed.) Bronvermelding

Frey, Wolfgang Norbert. The Act of Religious Profession: A Brief Historical Synopsis and Commentary. Catholic University of America, 1931.