Cita APA (7a ed.)

Petit, F. (1959). The problem of Evil. Hawthorn Books, Publishers.

Cita Chicago Style (17a ed.)

Petit, François. The Problem of Evil. New York: Hawthorn Books, Publishers, 1959.

Cita MLA (9a ed.)

Petit, François. The Problem of Evil. Hawthorn Books, Publishers, 1959.