Cita APA (7a ed.)

Royce, J. (1968). The problem of Christianity. University of Chicago Press.

Cita Chicago Style (17a ed.)

Royce, Josiah. The Problem of Christianity. Chicago,: University of Chicago Press, 1968.

Cita MLA (8a ed.)

Royce, Josiah. The Problem of Christianity. University of Chicago Press, 1968.