Cita APA (7a ed.)

O'Reilly, P. (1960). 1000 questions and answers on Catholicism (Revised ed.). Guild Press.

Cita Chicago Style (17a ed.)

O'Reilly, Philip. 1000 Questions and Answers on Catholicism. Revised ed. New York: Guild Press, 1960.

Cita MLA (9a ed.)

O'Reilly, Philip. 1000 Questions and Answers on Catholicism. Revised ed. Guild Press, 1960.