Groom, W. (2018). The allies: Roosevelt, Churchill, Stalin, and the unlikely alliance that won World War II. National Geographic.
Cita Chicago Style (17a ed.)Groom, Winston. The Allies: Roosevelt, Churchill, Stalin, and the Unlikely Alliance That Won World War II. Washington, D.C.: National Geographic, 2018.
Cita MLA (8a ed.)Groom, Winston. The Allies: Roosevelt, Churchill, Stalin, and the Unlikely Alliance That Won World War II. National Geographic, 2018.
Precaución: Estas citas no son 100% exactas.