Cita APA (7th ed.)

Ripley, R. B. (1985). Policy analysis in political science. Nelson-Hall.

Cita Chicago (17th ed.)

Ripley, Randall B. Policy Analysis in Political Science. Chicago: Nelson-Hall, 1985.

Cita MLA (9th ed.)

Ripley, Randall B. Policy Analysis in Political Science. Nelson-Hall, 1985.