Cita APA (7a ed.)

Nagel, S. S. (1975). Policy studies and the social sciences. Policy Studies Organization series.

Cita Chicago Style (17a ed.)

Nagel, Stuart S. "Policy Studies and the Social Sciences." Policy Studies Organization Series 1975.

Cita MLA (9a ed.)

Nagel, Stuart S. "Policy Studies and the Social Sciences." Policy Studies Organization Series, 1975.