Cita APA (7a ed.)

Makower, M. S., & Williamson, E. (1972). Operational research: Problems, techniques and exercises ([2nd ed.], impression.). English Universities Press Limited.

Cita Chicago Style (17a ed.)

Makower, M. S., y Eric Williamson. Operational Research: Problems, Techniques and Exercises. [2nd ed.], impression. London: English Universities Press Limited, 1972.

Cita MLA (9a ed.)

Makower, M. S., y Eric Williamson. Operational Research: Problems, Techniques and Exercises. [2nd ed.], impression. English Universities Press Limited, 1972.