APA (7th ed.) Citation

Siemens, N., Marting, C. H., & Greenwood, F. (1973). Operations research: Planning, operating, and information systems. Free Pr.

Chicago Style (17th ed.) Citation

Siemens, Nicolai, C. H. Marting, and Frank Greenwood. Operations Research: Planning, Operating, and Information Systems. New York: Free Pr, 1973.

MLA (9th ed.) Citation

Siemens, Nicolai, et al. Operations Research: Planning, Operating, and Information Systems. Free Pr, 1973.