APA

Adams W., Traywick L. E., . (1948). Readings in economics: principles and problems. New York: Macmillan Co.

Chicago

Adams Walter, Traywick Leland Eldridge, . 1948. Readings in economics: principles and problems. New York: Macmillan Co.

Harvard

Adams W., Traywick L. E., . (1948). Readings in economics: principles and problems. New York: Macmillan Co.

MLA

Adams Walter, Traywick Leland Eldridge, . Readings in economics: principles and problems. New York: Macmillan Co. 1948.