APA (7th ed.) Citation

Northern, J. L., & Downs, M. P. (1978). Hearing in children (2. ed.). Williams & Wilkins.

Chicago Style (17th ed.) Citation

Northern, Jerry L., and Marion P. Downs. Hearing in Children. 2. ed. Baltimore u.a: Williams & Wilkins, 1978.

MLA (9th ed.) Citation

Northern, Jerry L., and Marion P. Downs. Hearing in Children. 2. ed. Williams & Wilkins, 1978.