APA (7th ed.) Citation

Kaufman, P. J. (1978). Commodity trading systems and methods. John Wiley.

Chicago Style (17th ed.) Citation

Kaufman, P. J. Commodity Trading Systems and Methods. New York: John Wiley, 1978.

MLA (9th ed.) Citation

Kaufman, P. J. Commodity Trading Systems and Methods. John Wiley, 1978.