APA (7th ed.) Citation

Saaty, T. L., & Alexander, J. M. (1981). Thinking with models: Mathematical models in the physical, biological, and social sciences. Pergamon Press.

Chicago Style (17th ed.) Citation

Saaty, Thomas L., and Joyce M. Alexander. Thinking with Models: Mathematical Models in the Physical, Biological, and Social Sciences. Oxford ; New York: Pergamon Press, 1981.

MLA (9th ed.) Citation

Saaty, Thomas L., and Joyce M. Alexander. Thinking with Models: Mathematical Models in the Physical, Biological, and Social Sciences. Pergamon Press, 1981.