Wisconsin Research and Development Center for Cognitive Learning, Project on Children's Learning and Development, & Klausmeier, H. J. (1976). Second cross-sectional study of attainment of the concepts "equilateral triangle", "cutting tool", "noun", and "tree" by children age 6 to 16 of city A. Wisconsin Research and Development Center for Cognitive Learning, The University of Wisconsin.
Chicago Style (17th ed.) CitationWisconsin Research and Development Center for Cognitive Learning, Project on Children's Learning and Development, and Herbert J. Klausmeier. Second Cross-sectional Study of Attainment of the Concepts "Equilateral Triangle", "Cutting Tool", "Noun", and "Tree" by Children Age 6 to 16 of City A. Madison, Wis.: Wisconsin Research and Development Center for Cognitive Learning, The University of Wisconsin, 1976.
MLA (8th ed.) CitationWisconsin Research and Development Center for Cognitive Learning, et al. Second Cross-sectional Study of Attainment of the Concepts "Equilateral Triangle", "Cutting Tool", "Noun", and "Tree" by Children Age 6 to 16 of City A. Wisconsin Research and Development Center for Cognitive Learning, The University of Wisconsin, 1976.