Cita APA

USA Department of State. (2003). Foreign relations of the United States: 1964/68,7 Vietnam September 1968 - January 1969. Foreign relations of the United States.

Citación estilo Chicago

USA Department of State. "Foreign Relations of the United States: 1964/68,7 Vietnam September 1968 - January 1969." Foreign Relations of the United States 2003.

Cita MLA

USA Department of State. "Foreign Relations of the United States: 1964/68,7 Vietnam September 1968 - January 1969." Foreign Relations of the United States, 2003.