Cita APA

Freedman, M. 1., & Freedman, M. 1. (1973). Contemporary controversy (2. edition.). New York, New York: Macmillan.

Citación estilo Chicago

Freedman, Morris 1920-, y Morris 1920- Freedman. Contemporary Controversy. 2. edition. New York, New York: Macmillan, 1973.

Cita MLA

Freedman, Morris 1920-, y Morris 1920- Freedman. Contemporary Controversy. 2. edition. New York, New York: Macmillan, 1973.