APA (7th ed.) Citation

Castles, F. G. (1989). The Comparative history of public policy. Oxford University Press.

Chicago Style (17th ed.) Citation

Castles, Francis G. The Comparative History of Public Policy. New York: Oxford University Press, 1989.

MLA (9th ed.) Citation

Castles, Francis G. The Comparative History of Public Policy. Oxford University Press, 1989.