APA

Wadsworth H. M., Stephens K. S. & Godfrey A. B. (1986). Modern methods for quality control and improvement. New York: Wiley.

Chicago

Wadsworth Harrison M, Stephens Kenneth S and Godfrey A Blanton. 1986. Modern methods for quality control and improvement. New York: Wiley.

Harvard

Wadsworth H. M., Stephens K. S. and Godfrey A. B. (1986). Modern methods for quality control and improvement. New York: Wiley.

MLA

Wadsworth Harrison M, Stephens Kenneth S and Godfrey A Blanton. Modern methods for quality control and improvement. New York: Wiley. 1986.