APA (7th ed.) Citation

Nagel, S. S., & Nagel, S. S. (1975). Policy studies and the social sciences. Policy Studies Organization series.

Chicago Style (17th ed.) Citation

Nagel, Stuart S., and Stuart S. Nagel. "Policy Studies and the Social Sciences." Policy Studies Organization Series 1975.

MLA (8th ed.) Citation

Nagel, Stuart S., and Stuart S. Nagel. "Policy Studies and the Social Sciences." Policy Studies Organization Series, 1975.