Cita APA (7a ed.)

Mc Williams, W., & Piotrowski, H. (1997). The World Since 1945: A history of international relations (4th. ed.). Lynne Rienner.

Cita Chicago Style (17a ed.)

Mc Williams, Wayne, y Harry Piotrowski. The World Since 1945: A History of International Relations. 4th. ed. London: Lynne Rienner, 1997.

Cita MLA (9a ed.)

Mc Williams, Wayne, y Harry Piotrowski. The World Since 1945: A History of International Relations. 4th. ed. Lynne Rienner, 1997.