APA (7th ed.) Citation

Watson, R. P., & Yon, R. (2006). American presidents (Third edition.). Salem Press.

Chicago Style (17th ed.) Citation

Watson, Robert P., and Richard Yon. American Presidents. Third edition. Pasadena, Calif.: Salem Press, 2006.

MLA (8th ed.) Citation

Watson, Robert P., and Richard Yon. American Presidents. Third edition. Salem Press, 2006.

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