APA (7th ed.) Citation

Greenspan, H., Kelber, C. N., & Okrent, D. (1968). Computing methods in reactor physics. Gordon and Breach.

Chicago Style (17th ed.) Citation

Greenspan, H., C. N. Kelber, and David Okrent. Computing Methods in Reactor Physics. New York: Gordon and Breach, 1968.

MLA (9th ed.) Citation

Greenspan, H., et al. Computing Methods in Reactor Physics. Gordon and Breach, 1968.