APA (7th ed.) Citation

O'Mara, M. P. (2015). Pivotal Tuesdays: Four Elections That Shaped the Twentieth Century. University of Pennsylvania Press.

Chicago Style (17th ed.) Citation

O'Mara, Margaret Pugh. Pivotal Tuesdays: Four Elections That Shaped the Twentieth Century. Philadelphia: University of Pennsylvania Press, 2015.

MLA (8th ed.) Citation

O'Mara, Margaret Pugh. Pivotal Tuesdays: Four Elections That Shaped the Twentieth Century. University of Pennsylvania Press, 2015.