Cita APA (7a ed.)

Von Vorys, K. (1925). New nations: The problems of political development. The American Academy of Political and Social Science.

Cita Chicago Style (17a ed.)

Von Vorys, Karl. New Nations: The Problems of Political Development. Philadelphia: The American Academy of Political and Social Science, 1925.

Cita MLA (9a ed.)

Von Vorys, Karl. New Nations: The Problems of Political Development. The American Academy of Political and Social Science, 1925.