APA

Ferguson C. E., Kreps J. M., . (1962). Principles of economics. New York: Holt, Rinehart and Winston.

Chicago

Ferguson Charles E, Kreps Juanita Morris, . 1962. Principles of economics. New York: Holt, Rinehart and Winston.

Harvard

Ferguson C. E., Kreps J. M., . (1962). Principles of economics. New York: Holt, Rinehart and Winston.

MLA

Ferguson Charles E, Kreps Juanita Morris, . Principles of economics. New York: Holt, Rinehart and Winston. 1962.