APA (7th ed.) Citation

Curtis, P., & Cupp, D. (1981). Cindy, a hearing ear dog. Dutton.

Chicago Style (17th ed.) Citation

Curtis, Patricia, and David Cupp. Cindy, a Hearing Ear Dog. New York: Dutton, 1981.

MLA (9th ed.) Citation

Curtis, Patricia, and David Cupp. Cindy, a Hearing Ear Dog. Dutton, 1981.