APA (7th ed.) Citation

Klausmeier, H. J., & Allen, P. S. (1978). Cognitive development of children and youth: A longitudinal study. Academic Press.

Chicago Style (17th ed.) Citation

Klausmeier, Herbert J., and Patricia S. Allen. Cognitive Development of Children and Youth: A Longitudinal Study. New York: Academic Press, 1978.

MLA (9th ed.) Citation

Klausmeier, Herbert J., and Patricia S. Allen. Cognitive Development of Children and Youth: A Longitudinal Study. Academic Press, 1978.