Cita APA (7a ed.)

Mac Brien, R. P. (1981). Catholicism. Study edition. Harper San Francisco.

Cita Chicago Style (17a ed.)

Mac Brien, Richard P. Catholicism. Study Edition. New York: Harper San Francisco, 1981.

Cita MLA (9a ed.)

Mac Brien, Richard P. Catholicism. Study Edition. Harper San Francisco, 1981.