APA (7th ed.) Citation

Greenspan, S. I., & Greenspan, N. T. (1985). First feelings: Milestones in the emotional development of your baby and child. Viking Penguin.

Chicago Style (17th ed.) Citation

Greenspan, Stanley I., and Nancy Thorndike Greenspan. First Feelings: Milestones in the Emotional Development of Your Baby and Child. New York, NY: Viking Penguin, 1985.

MLA (9th ed.) Citation

Greenspan, Stanley I., and Nancy Thorndike Greenspan. First Feelings: Milestones in the Emotional Development of Your Baby and Child. Viking Penguin, 1985.