APA (7th ed.) Citation

Potter, D. M. (1976). The impending crisis: 1848 - 1861 (1. ed.). Harper & Row.

Chicago Style (17th ed.) Citation

Potter, David M. The Impending Crisis: 1848 - 1861. 1. ed. New York, NY [u.a.]: Harper & Row, 1976.

MLA (9th ed.) Citation

Potter, David M. The Impending Crisis: 1848 - 1861. 1. ed. Harper & Row, 1976.