Cita APA (7a ed.)

Kurtz, P. W. (1983). In defense of secular humanism. Prometheus Books.

Cita Chicago Style (17a ed.)

Kurtz, Paul W. In Defense of Secular Humanism. Buffalo, N.Y: Prometheus Books, 1983.

Cita MLA (9a ed.)

Kurtz, Paul W. In Defense of Secular Humanism. Prometheus Books, 1983.