APA (7th ed.) Citation

Knopf, I. J. (1979). Childhood psychopathology: A developmental approach. Prentice-Hall.

Chicago Style (17th ed.) Citation

Knopf, Irwin J. Childhood Psychopathology: A Developmental Approach. Englewood Cliffs, N.J.: Prentice-Hall, 1979.

MLA (9th ed.) Citation

Knopf, Irwin J. Childhood Psychopathology: A Developmental Approach. Prentice-Hall, 1979.