APA (7th ed.) Citation

Cronbach, L. J. (1969). Essentials of psychological testing (3d ed.). Harper & Row.

Chicago Style (17th ed.) Citation

Cronbach, Lee J. Essentials of Psychological Testing. 3d ed. New York: Harper & Row, 1969.

MLA (9th ed.) Citation

Cronbach, Lee J. Essentials of Psychological Testing. 3d ed. Harper & Row, 1969.