Style de citation APA (7e éd.)

Sommer, R. (1997). A practical guide to behavioral research: Tools and techniques (4th ed.). OUP.

Style de citation Chicago (17e éd.)

Sommer, Robert. A Practical Guide to Behavioral Research: Tools and Techniques. 4th ed. New York: OUP, 1997.

Style de citation MLA (9e éd.)

Sommer, Robert. A Practical Guide to Behavioral Research: Tools and Techniques. 4th ed. OUP, 1997.