APA (7th ed.) Citation

Johnson, R. C., & Medinnus, G. R. (1969). Child psychology: Behavior & development (2η έκδ.). John Wiley & Sons.

Chicago Style (17th ed.) Citation

Johnson, Ronald C., and Gene Ronald Medinnus. Child Psychology: Behavior & Development. 2η έκδ. New York: John Wiley & Sons, 1969.

MLA (8th ed.) Citation

Johnson, Ronald C., and Gene Ronald Medinnus. Child Psychology: Behavior & Development. 2η έκδ. John Wiley & Sons, 1969.