APA (7th ed.) Citation

Knopf, I. J. (1984). Childhood psychopathology: A developmental approach (2nd ed.). Prentice-Hall.

Chicago Style (17th ed.) Citation

Knopf, Irwin J. Childhood Psychopathology: A Developmental Approach. 2nd ed. Englewood Cliffs, N.J.: Prentice-Hall, 1984.

MLA (9th ed.) Citation

Knopf, Irwin J. Childhood Psychopathology: A Developmental Approach. 2nd ed. Prentice-Hall, 1984.