APA (7th ed.) Citation

Guelzo, A. C. (2008). Lincoln and Douglas: The debates that defined America (1. Simon & Schuster hardcover ed.). Simon & Schuster.

Chicago Style (17th ed.) Citation

Guelzo, Allen C. Lincoln and Douglas: The Debates That Defined America. 1. Simon & Schuster hardcover ed. New York: Simon & Schuster, 2008.

MLA (9th ed.) Citation

Guelzo, Allen C. Lincoln and Douglas: The Debates That Defined America. 1. Simon & Schuster hardcover ed. Simon & Schuster, 2008.

Warning: These citations may not always be 100% accurate.