APA (7th ed.) Citation

Cooper, J. M. (1990). Pivotal decades: The United States, 1900-1920. W.W. Norton.

Chicago Style (17th ed.) Citation

Cooper, John Milton. Pivotal Decades: The United States, 1900-1920. New York: W.W. Norton, 1990.

MLA (9th ed.) Citation

Cooper, John Milton. Pivotal Decades: The United States, 1900-1920. W.W. Norton, 1990.