APA (7th ed.) Citation

Eck, R. D. (1979). QM, an introduction to quantitative methods for business application. Wadsworth Pub. Co..

Chicago Style (17th ed.) Citation

Eck, Roger D. QM, an Introduction to Quantitative Methods for Business Application. Belmont, Calif.: Wadsworth Pub. Co., 1979.

MLA (9th ed.) Citation

Eck, Roger D. QM, an Introduction to Quantitative Methods for Business Application. Wadsworth Pub. Co., 1979.