APA (7th ed.) Citation

Ford, B., & Keiper, R. R. (1979). The island ponies: An environmental study of their life on Assateague. Morrow.

Chicago Style (17th ed.) Citation

Ford, Barbara, and Ronald R. Keiper. The Island Ponies: An Environmental Study of Their Life on Assateague. New York: Morrow, 1979.

MLA (9th ed.) Citation

Ford, Barbara, and Ronald R. Keiper. The Island Ponies: An Environmental Study of Their Life on Assateague. Morrow, 1979.