Cita APA

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

Citación estilo Chicago

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

Cita MLA

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