Berlin 1961 : : the background / / a document prepared by the United States Department of State ; forword: Dean Rusk.

MLA

Berlin 1961 : the Background. London: Twentieth Century Press, 1961.

APA

(1961). Berlin 1961 : the background. London: Twentieth Century Press.

Chicago

Berlin 1961: The Background. London: Twentieth Century Press, 1961.