Citação norma APA

Clawson, R. W. (1982). The Warsaw Pact: Political purpose and military means. Scholarly Resources.

Citação norma Chicago

Clawson, Robert W. The Warsaw Pact: Political Purpose and Military Means. Wilmington, Del: Scholarly Resources, 1982.

Citação norma MLA

Clawson, Robert W. The Warsaw Pact: Political Purpose and Military Means. Scholarly Resources, 1982.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.