Cita APA (7a ed.)

Treacy, G. C. (1952). Pius X: Pope of the children. Paulist Press.

Cita Chicago Style (17a ed.)

Treacy, Gerald C. Pius X: Pope of the Children. New York: Paulist Press, 1952.

Cita MLA (8a ed.)

Treacy, Gerald C. Pius X: Pope of the Children. Paulist Press, 1952.