Cita APA

USA Department of State. (1956). Foreign relations of the United States: 1939,1 General. Foreign relations of the United States.

Citación estilo Chicago

USA Department of State. "Foreign Relations of the United States: 1939,1 General." Foreign Relations of the United States 1956.

Cita MLA

USA Department of State. "Foreign Relations of the United States: 1939,1 General." Foreign Relations of the United States, 1956.