APA (7th ed.) Citation

Ecker, J. G., & Kupferschmid, M. (1991). Introduction to operations research. Krieger Pub..

Chicago Style (17th ed.) Citation

Ecker, Joseph G., and Michael Kupferschmid. Introduction to Operations Research. Malabar, FL: Krieger Pub., 1991.

MLA (9th ed.) Citation

Ecker, Joseph G., and Michael Kupferschmid. Introduction to Operations Research. Krieger Pub., 1991.