APA način citiranja (7. izdanje)

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

Čikaški stil citiranja (17. izdanje)

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

MLA način citiranja (8. izdanje)

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