APA (7th ed.) Citation

Wagner, R., & Harter. (2006). 12: The element of great managing. Gallup Press.

Chicago Style (17th ed.) Citation

Wagner, Rodd, and Harter. 12: The Element of Great Managing. New York: Gallup Press, 2006.

MLA (8th ed.) Citation

Wagner, Rodd, and Harter. 12: The Element of Great Managing. Gallup Press, 2006.