Cita APA

USA Department of State & Geyer, D. C. (2007). Foreign relations of the United States: 1969/76,40 Germany and Berlin : 1969 - 1972. Foreign relations of the United States.

Citación estilo Chicago

USA Department of State y David C. Geyer. "Foreign Relations of the United States: 1969/76,40 Germany and Berlin : 1969 - 1972." Foreign Relations of the United States 2007.

Cita MLA

USA Department of State y David C. Geyer. "Foreign Relations of the United States: 1969/76,40 Germany and Berlin : 1969 - 1972." Foreign Relations of the United States, 2007.