APA (7th ed.) Citation

Nagel, S. S., & Nagel, S. S. (1975). Policy studies in America and elsewhere. Policy Studies Organization series.

Chicago Style (17th ed.) Citation

Nagel, Stuart S., and Stuard S. Nagel. "Policy Studies in America and Elsewhere." Policy Studies Organization Series 1975.

MLA (8th ed.) Citation

Nagel, Stuart S., and Stuard S. Nagel. "Policy Studies in America and Elsewhere." Policy Studies Organization Series, 1975.