MLA

Clarke, Roger A, and Dubravko J. I Matko. Soviet Economic Facts, 1917-81. New York: St. Martin's Press, 1983.

APA

Clarke, R. A, & Matko, D. J. I. (1983). Soviet economic facts, 1917-81. New York: St. Martin's Press.

Chicago

Clarke, Roger A., and Dubravko J. I. Matko. Soviet Economic Facts, 1917-81. New York: St. Martin's Press,, 1983.