Cita APA (7a ed.)

Palmer, N. D., & Perkins, H. C. (1957). International relations: The world community in transition. Stevens.

Cita Chicago Style (17a ed.)

Palmer, Norman D., y Howard Cecil Perkins. International Relations: The World Community in Transition. London: Stevens, 1957.

Cita MLA (9a ed.)

Palmer, Norman D., y Howard Cecil Perkins. International Relations: The World Community in Transition. Stevens, 1957.