APA Style

Denhardt, R, B., Denhardt, J, V. (2009). Public Administration: An Action Orientation (Ed. 6). BostonUSA,: Cengage.

MLA Style

Denhardt, Robert, B.., Denhardt, Janet, V.. "Public Administration: An Action Orientation". Ed. 6 BostonUSA,: Cengage, 2009. Text.