Cita APA (7a ed.)

Hofferbert, R. I. (1974). The study of public policy. Bobbs-Merrill.

Cita Chicago Style (17a ed.)

Hofferbert, Richard I. The Study of Public Policy. Indianapolis [etc.]: Bobbs-Merrill, 1974.

Cita MLA (9a ed.)

Hofferbert, Richard I. The Study of Public Policy. Bobbs-Merrill, 1974.