APA (7th ed.) Citation

Watson, R. I., & Lindgren, H. C. (1973). Psychology of the child (3η έκδ.). John Wiley & Sons.

Chicago Style (17th ed.) Citation

Watson, Robert Irving, and Henry Clay Lindgren. Psychology of the Child. 3η έκδ. New York: John Wiley & Sons, 1973.

MLA (8th ed.) Citation

Watson, Robert Irving, and Henry Clay Lindgren. Psychology of the Child. 3η έκδ. John Wiley & Sons, 1973.