APA
Young J. P., . (1963). The international economy. New York: Ronald Press Co.
Chicago
Young John Parke, . 1963. The international economy. New York: Ronald Press Co.
Harvard
Young J. P., . (1963). The international economy. New York: Ronald Press Co.
MLA
Young John Parke, . The international economy. New York: Ronald Press Co. 1963.