APA

Fremantle A., . (1956). The Papal Encyclicals in their Historical Context. New York: Mentor.

Chicago

Fremantle Anne, . 1956. The Papal Encyclicals in their Historical Context. New York: Mentor.

Harvard

Fremantle A., . (1956). The Papal Encyclicals in their Historical Context. New York: Mentor.

MLA

Fremantle Anne, . The Papal Encyclicals in their Historical Context. New York: Mentor. 1956.