APA (7th ed.) Citation

Schurz, C. (1972). Charles Sumner, an essay. Greenwood Press.

Chicago Style (17th ed.) Citation

Schurz, Carl. Charles Sumner, an Essay. Westport, Conn.: Greenwood Press, 1972.

MLA (9th ed.) Citation

Schurz, Carl. Charles Sumner, an Essay. Greenwood Press, 1972.