Cita APA (7a ed.)

Lingen, E. (1913). Forgive and forget. Benziger Brothers.

Cita Chicago Style (17a ed.)

Lingen, Ernst. Forgive and Forget. New York: Benziger Brothers, 1913.

Cita MLA (8a ed.)

Lingen, Ernst. Forgive and Forget. Benziger Brothers, 1913.