APA (7th ed.) Citation

Gropper, G. L., & Kress, G. (1970). Managing problem behavior in the classroom: A programmed text. Meridith Corporation.

Chicago Style (17th ed.) Citation

Gropper, George L., and Gerard Kress. Managing Problem Behavior in the Classroom: A Programmed Text. Nueva York: Meridith Corporation, 1970.

MLA (9th ed.) Citation

Gropper, George L., and Gerard Kress. Managing Problem Behavior in the Classroom: A Programmed Text. Meridith Corporation, 1970.