Παραπομπή σε μορφή APA (7η εκδ.)

Catholic Church. Pope (1878-1903 : Leo XIII), Catholic Church. Pope (1922-1939 : Pius XI), & Husslein, J. (1940). Social wellsprings: Fourteen Epochal Documents. The Bruce publishing company.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Catholic Church. Pope (1878-1903 : Leo XIII), Catholic Church. Pope (1922-1939 : Pius XI), και Joseph Husslein. Social Wellsprings: Fourteen Epochal Documents. Milwaukee: The Bruce publishing company, 1940.

Παραπομπή σε μορφή MLA (8th εκδ.)

Catholic Church. Pope (1878-1903 : Leo XIII), et al. Social Wellsprings: Fourteen Epochal Documents. The Bruce publishing company, 1940.