Keil, F. C. (1989). Concepts, kinds, and cognitive development. MIT Press.
Chicago Style (17th ed.) CitationKeil, Frank C. Concepts, Kinds, and Cognitive Development. Cambridge, Mass.: MIT Press, 1989.
MLA (9th ed.) CitationKeil, Frank C. Concepts, Kinds, and Cognitive Development. MIT Press, 1989.
Warning: These citations may not always be 100% accurate.