Cita APA (7a ed.)

Stengel, E. (1969). Suicide and Attempted Suicide. Penguin Books.

Cita Chicago Style (17a ed.)

Stengel, Erwin. Suicide and Attempted Suicide. Baltimore: Penguin Books, 1969.

Cita MLA (9a ed.)

Stengel, Erwin. Suicide and Attempted Suicide. Penguin Books, 1969.