APA (7th ed.) Citation

Sandburg, C., & Angle, P. M. (1932). Mary Lincoln, wife and widow (2. print.). Harcourt, Brace.

Chicago Style (17th ed.) Citation

Sandburg, Carl, and Paul M. Angle. Mary Lincoln, Wife and Widow. 2. print. New York: Harcourt, Brace, 1932.

MLA (9th ed.) Citation

Sandburg, Carl, and Paul M. Angle. Mary Lincoln, Wife and Widow. 2. print. Harcourt, Brace, 1932.