Cita APA (7th ed.)

Jones, C. O. (1970). An introduction to the study of public policy. Duxbury Press.

Cita Chicago (17th ed.)

Jones, Charles O. An Introduction to the Study of Public Policy. North Scituate, Mass.: Duxbury Press, 1970.

Cita MLA (9th ed.)

Jones, Charles O. An Introduction to the Study of Public Policy. Duxbury Press, 1970.