Cita APA (7a ed.)

Webber, R. E. (1982). Secular humanism: Threat and challenge. Zondervan.

Cita Chicago Style (17a ed.)

Webber, Robert E. Secular Humanism: Threat and Challenge. Michigan: Zondervan, 1982.

Cita MLA (9a ed.)

Webber, Robert E. Secular Humanism: Threat and Challenge. Zondervan, 1982.