Lesh, R. A., & Landau, M. (1983). The Acquisition of mathematics: Concepts and processes. Academic Press.
Chicago Style (17th ed.) CitationLesh, Richard A., and Marsha Landau. The Acquisition of Mathematics: Concepts and Processes. New York: Academic Press, 1983.
MLA (9th ed.) CitationLesh, Richard A., and Marsha Landau. The Acquisition of Mathematics: Concepts and Processes. Academic Press, 1983.
Warning: These citations may not always be 100% accurate.