Citação norma APA

Niemeyer, G. (1973). The role of ideology in communist systems. Orbis. - publ. by the Foreign Policy Research Institute of the University of Pennsylvania.

Citação norma Chicago

Niemeyer, Gerhart. "The Role of Ideology in Communist Systems." Orbis. - Publ. by the Foreign Policy Research Institute of the University of Pennsylvania 1973.

Citação norma MLA

Niemeyer, Gerhart. "The Role of Ideology in Communist Systems." Orbis. - Publ. by the Foreign Policy Research Institute of the University of Pennsylvania, 1973.

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