Cita APA (7a ed.)

Lewin, A. Y., & Shakun, M. F. (1976). Policy sciences: Methodologies and cases. Pregamon Press.

Cita Chicago Style (17a ed.)

Lewin, Arie Yehuda., y Melvin F. Shakun. Policy Sciences: Methodologies and Cases. New York [etc.]: Pregamon Press, 1976.

Cita MLA (9a ed.)

Lewin, Arie Yehuda., y Melvin F. Shakun. Policy Sciences: Methodologies and Cases. Pregamon Press, 1976.