APA (7th ed.) Citation

Kluwe, R., & Spada, H. (1980). Developmental models of thinking. Academic Press.

Chicago Style (17th ed.) Citation

Kluwe, Rainer, and Hans Spada. Developmental Models of Thinking. New York: Academic Press, 1980.

MLA (9th ed.) Citation

Kluwe, Rainer, and Hans Spada. Developmental Models of Thinking. Academic Press, 1980.