Citazione APA

Krumboltz, J. D., & Krumboltz, H. B. (1972). Changing children's behavior. Prentice-Hall.

Stile di citazione Chicago

Krumboltz, John D., e Helen Brandhorst Krumboltz. Changing Children's Behavior. Englewood Cliffs, N.J.: Prentice-Hall, 1972.

Citazione MLA

Krumboltz, John D., e Helen Brandhorst Krumboltz. Changing Children's Behavior. Prentice-Hall, 1972.