APA (7th ed.) Citation

Kimmell, G. M. (1989). Sound out: Listening skills program. Academic Therapy Publications.

Chicago Style (17th ed.) Citation

Kimmell, Geraldine M. Sound Out: Listening Skills Program. Novato, Calif.: Academic Therapy Publications, 1989.

MLA (9th ed.) Citation

Kimmell, Geraldine M. Sound Out: Listening Skills Program. Academic Therapy Publications, 1989.