APA (7th ed.) Citation

National Council of Teachers of Mathematics. Research Interpretation Proyect, Jensen, R. J., & Wagner, S. (1992). Early childhood mathematics. Macmillan Publishing Company.

Chicago Style (17th ed.) Citation

National Council of Teachers of Mathematics. Research Interpretation Proyect, Robert J. Jensen, and Sigrid Wagner. Early Childhood Mathematics. New York [etc.]: Macmillan Publishing Company, 1992.

MLA (9th ed.) Citation

National Council of Teachers of Mathematics. Research Interpretation Proyect, et al. Early Childhood Mathematics. Macmillan Publishing Company, 1992.