Cita APA (7a ed.)

Chamberlin, E. R. (1969). The bad Popes. New American Library.

Cita Chicago Style (17a ed.)

Chamberlin, E. R. The Bad Popes. New York: New American Library, 1969.

Cita MLA (8a ed.)

Chamberlin, E. R. The Bad Popes. New American Library, 1969.