APA (7th ed.) Citation

Nemhauser, G. L., Kan, A. H. G. R., & Todd, M. J. (1989). Optimization. Elsevier Science.

Chicago Style (17th ed.) Citation

Nemhauser, George L., A. H. G. Rinnooy Kan, and M. J. Todd. Optimization. Amsterdam: Elsevier Science, 1989.

MLA (9th ed.) Citation

Nemhauser, George L., et al. Optimization. Elsevier Science, 1989.