APA-Zitierstil (7. Ausg.)

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

Chicago-Zitierstil (17. Ausg.)

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

MLA-Zitierstil (9. Ausg.)

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