APA

Leffler G. L., . (1963). The Stock Market. New York: Ronald Press Co.

Chicago

Leffler George Leland, . 1963. The Stock Market. New York: Ronald Press Co.

Harvard

Leffler G. L., . (1963). The Stock Market. New York: Ronald Press Co.

MLA

Leffler George Leland, . The Stock Market. New York: Ronald Press Co. 1963.