APA (7th ed.) Citation

Cronbach, L. J. (1960). Essentials of psychological testing (2. ed.). Harper & Row.

Chicago Style (17th ed.) Citation

Cronbach, Lee J. Essentials of Psychological Testing. 2. ed. New York: Harper & Row, 1960.

MLA (9th ed.) Citation

Cronbach, Lee J. Essentials of Psychological Testing. 2. ed. Harper & Row, 1960.