APA (7th ed.) Citation

Knopf, I. J. (1984). 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, 1984.

MLA (9th ed.) Citation

Knopf, Irwin J. Childhood Psychopathology: A Developmental Approach. Prentice-Hall, 1984.