Cita APA (7a ed.)

Gilkey, L. (2001). On Niebuhr: A theological study. University of Chicago Press.

Cita Chicago Style (17a ed.)

Gilkey, Langdon. On Niebuhr: A Theological Study. Chicago [etc.]: University of Chicago Press, 2001.

Cita MLA (9a ed.)

Gilkey, Langdon. On Niebuhr: A Theological Study. University of Chicago Press, 2001.