MLA

Almy, Millie, et al. The Impact of Piagetian Theory : On Education, Philosophy, Psychiatry and Psychology. Maryland: University Park Press, 1979.

APA

Almy, M., Berthoud-Papandropoulou, I., Murray, F. B, & Piaget, J. (1979). The impact of Piagetian theory : on education, philosophy, psychiatry and psychology. Maryland: University Park Press.

Chicago

Almy, Millie, Ioanna Berthoud-Papandropoulou, and Jean Piaget. The Impact of Piagetian Theory: On Education, Philosophy, Psychiatry and Psychology. Edited by Frank B Murray. Maryland: University Park Press, 1979.