APA (7th ed.) Citation

Ritchie, M. J., & Carrillo, D. L. (1982). The armadillo and twelve others. Eakin Press.

Chicago Style (17th ed.) Citation

Ritchie, Michael James, and David L. Carrillo. The Armadillo and Twelve Others. Austin, Tex.: Eakin Press, 1982.

MLA (9th ed.) Citation

Ritchie, Michael James, and David L. Carrillo. The Armadillo and Twelve Others. Eakin Press, 1982.