APA (7th ed.) Citation

Maxfield, B. D., & Spisak, A. W. (1979). PH.D. 's in business and industry. National Academy of Sciences.

Chicago Style (17th ed.) Citation

Maxfield, Betty D., and Andrew W. Spisak. PH.D. 'S in Business and Industry. Washington, D. C: National Academy of Sciences, 1979.

MLA (9th ed.) Citation

Maxfield, Betty D., and Andrew W. Spisak. PH.D. 'S in Business and Industry. National Academy of Sciences, 1979.