Sigel, I. E., Brodzinsky, D., & Golinkoff, R. M. (1981). New directions in Piagetian theory and practice / edited by Irving E. Sigel,David M. Brodzinsky, Roberta M. Golinkoff. L. Erlbaum Associates.
Chicago Style (17th ed.) CitationSigel, Irving E., David Brodzinsky, and Roberta Michnick Golinkoff. New Directions in Piagetian Theory and Practice / Edited by Irving E. Sigel,David M. Brodzinsky, Roberta M. Golinkoff. Hillsdale, N.J.: L. Erlbaum Associates, 1981.
MLA (9th ed.) CitationSigel, Irving E., et al. New Directions in Piagetian Theory and Practice / Edited by Irving E. Sigel,David M. Brodzinsky, Roberta M. Golinkoff. L. Erlbaum Associates, 1981.
Warning: These citations may not always be 100% accurate.