APA (7th ed.) Citation

Sommer, R., & Sommer, B. B. (1980). A practical guide to behavioral research: Tools and techniques. Oxford University Press.

Chicago Style (17th ed.) Citation

Sommer, Robert, and Barbara Baker Sommer. A Practical Guide to Behavioral Research: Tools and Techniques. New York: Oxford University Press, 1980.

MLA (8th ed.) Citation

Sommer, Robert, and Barbara Baker Sommer. A Practical Guide to Behavioral Research: Tools and Techniques. Oxford University Press, 1980.