APA (7th ed.) Citation

Diggins, J. P. (2011). Why Niebuhr now? University of Chicago Press.

Chicago Style (17th ed.) Citation

Diggins, John Patrick. Why Niebuhr Now? Chicago: University of Chicago Press, 2011.

MLA (9th ed.) Citation

Diggins, John Patrick. Why Niebuhr Now? University of Chicago Press, 2011.

Warning: These citations may not always be 100% accurate.