APA (7th ed.) Citation

Nagel, S. S. (1988). Policy studies: Integration and evaluation. Greenwood Press.

Chicago Style (17th ed.) Citation

Nagel, Stuart S. Policy Studies: Integration and Evaluation. New York: Greenwood Press, 1988.

MLA (9th ed.) Citation

Nagel, Stuart S. Policy Studies: Integration and Evaluation. Greenwood Press, 1988.