APA

Stromberg R. N., . (1963). Collective security and American foreign policy. New York: Praeger.

Chicago

Stromberg Roland N, . 1963. Collective security and American foreign policy. New York: Praeger.

Harvard

Stromberg R. N., . (1963). Collective security and American foreign policy. New York: Praeger.

MLA

Stromberg Roland N, . Collective security and American foreign policy. New York: Praeger. 1963.