APA (7th ed.) Citation

Tripp, C. A., & Gannett, L. (2005). The intimate world of Abraham Lincoln. Free Press.

Chicago Style (17th ed.) Citation

Tripp, C. A., and Lewis Gannett. The Intimate World of Abraham Lincoln. New York: Free Press, 2005.

MLA (9th ed.) Citation

Tripp, C. A., and Lewis Gannett. The Intimate World of Abraham Lincoln. Free Press, 2005.