APA (7th ed.) Citation

Polk, W. R. (2000). Polk's folly: An American family history. Doubleday.

Chicago Style (17th ed.) Citation

Polk, William R. Polk's Folly: An American Family History. New York: Doubleday, 2000.

MLA (9th ed.) Citation

Polk, William R. Polk's Folly: An American Family History. Doubleday, 2000.