APA (7th ed.) Citation

Klopfer, L. E., & Resnick, L. B. (1989). Toward the thinking curriculum: Current cognitive research. ASCD.

Chicago Style (17th ed.) Citation

Klopfer, Leopold E., and Lauren B. Resnick. Toward the Thinking Curriculum: Current Cognitive Research. Alexandria: ASCD, 1989.

MLA (9th ed.) Citation

Klopfer, Leopold E., and Lauren B. Resnick. Toward the Thinking Curriculum: Current Cognitive Research. ASCD, 1989.

Warning: These citations may not always be 100% accurate.