APA (7th ed.) Citation

Child Development Center, N. Y., Flapan, D., & Neubauer, P. B. (1970). Developmental Groupings of Pre-School Children.

Chicago Style (17th ed.) Citation

Child Development Center, New York, Dorothy Flapan, and Peter B. Neubauer. Developmental Groupings of Pre-School Children. 1970.

MLA (9th ed.) Citation

Child Development Center, New York, et al. Developmental Groupings of Pre-School Children. 1970.