Cita APA

Bierstedt, R., & Samuelson, P. A. (1964). Modern Social Science. New York: McGraw-Hill Book Co..

Chicago Style Citation

Bierstedt, Robert., i Paul A. Samuelson. Modern Social Science. New York: McGraw-Hill Book Co., 1964.

Cita MLA

Bierstedt, Robert., i Paul A. Samuelson. Modern Social Science. New York: McGraw-Hill Book Co., 1964.