Greenspan, S. I., & Greenspan, N. T. (1989). The essential partnership: How parents and children can meet the emotional challenges of infancy and childhood. Penguin.
Chicago Style (17th ed.) CitationGreenspan, Stanley I., and Nancy Thorndike Greenspan. The Essential Partnership: How Parents and Children Can Meet the Emotional Challenges of Infancy and Childhood. New York: Penguin, 1989.
MLA (9th ed.) CitationGreenspan, Stanley I., and Nancy Thorndike Greenspan. The Essential Partnership: How Parents and Children Can Meet the Emotional Challenges of Infancy and Childhood. Penguin, 1989.
Warning: These citations may not always be 100% accurate.