MLA

Ebel, Robert E. Communist Trade In Oil and Gas : an Evaluation of the Future Export Capability of the Soviet Bloc. New York: Praeger, 1970.

APA

Ebel, R. E. (1970). Communist trade in oil and gas : an evaluation of the future export capability of the Soviet bloc. New York: Praeger.

Chicago

Ebel, Robert E. Communist Trade In Oil and Gas: An Evaluation of the Future Export Capability of the Soviet Bloc. New York: Praeger, 1970.