Cita APA (7th ed.)

Cohen, D. J., & Volkmar, F. R. (1997). Handbook of autism and pervasive developmental disorders (2nd ed.). John Wiley.

Cita Chicago (17th ed.)

Cohen, Donald J., i Fred R. Volkmar. Handbook of Autism and Pervasive Developmental Disorders. 2nd ed. New York: John Wiley, 1997.

Cita MLA (8th ed.)

Cohen, Donald J., i Fred R. Volkmar. Handbook of Autism and Pervasive Developmental Disorders. 2nd ed. John Wiley, 1997.