APA (7th ed.) Citation

Johnson, R. C., & Medinnus, G. R. (1969). Child psychology: Behavior & development (2nd ed.). Wiley.

Chicago Style (17th ed.) Citation

Johnson, Ronald Charles, and Gene Roland Medinnus. Child Psychology: Behavior & Development. 2nd ed. New York: Wiley, 1969.

MLA (9th ed.) Citation

Johnson, Ronald Charles, and Gene Roland Medinnus. Child Psychology: Behavior & Development. 2nd ed. Wiley, 1969.