Cita APA (7a ed.)

Callahan, D., & Cox, H. (1966). The Secular city debate. Macmillan.

Cita Chicago Style (17a ed.)

Callahan, Daniel, y Harvey Cox. The Secular City Debate. New York: Macmillan, 1966.

Cita MLA (9a ed.)

Callahan, Daniel, y Harvey Cox. The Secular City Debate. Macmillan, 1966.