APA-viite (7. p.)

Fremantle, A. (1956). The papal encyclicals in their historical context. A Mentor Book.

Chicago-viite (17. p.)

Fremantle, Anne. The Papal Encyclicals in Their Historical Context. New York: A Mentor Book, 1956.

MLA-viite (9. p.)

Fremantle, Anne. The Papal Encyclicals in Their Historical Context. A Mentor Book, 1956.