APA (7th ed.) Citation

Ausubel, D. P., & Sullivan, E. V. (1970). Theory and problems of child development (2nd ed.). Grune and Stratton.

Chicago Style (17th ed.) Citation

Ausubel, David P., and Edmund V. Sullivan. Theory and Problems of Child Development. 2nd ed. New York: Grune and Stratton, 1970.

MLA (9th ed.) Citation

Ausubel, David P., and Edmund V. Sullivan. Theory and Problems of Child Development. 2nd ed. Grune and Stratton, 1970.