MLA

Hardt, John Pearce. The Cold War Economic Gap : the Increasing Threat to American Supremacy. New York: Praeger, 1961.

APA

Hardt, J. Pearce. (1961). The cold war economic gap : the increasing threat to American supremacy. New York: Praeger.

Chicago

Hardt, John Pearce. The Cold War Economic Gap: The Increasing Threat to American Supremacy. New York: Praeger, 1961.