Cita APA (7th ed.)

Policy Studies Organization & Nagel, S. S. (1975). Policy studies and the social sciences. Lexington Books.

Cita Chicago (17th ed.)

Policy Studies Organization i Stuart S. Nagel. Policy Studies and the Social Sciences. Lexington, Mass: Lexington Books, 1975.

Cita MLA (9th ed.)

Policy Studies Organization i Stuart S. Nagel. Policy Studies and the Social Sciences. Lexington Books, 1975.