APA (7th ed.) Citation

Opitz, M. F., & Ford, M. P. (2008). Do-able differentiation: Varying groups, texts, and supports to reach readers. Heinemann.

Chicago Style (17th ed.) Citation

Opitz, Michael F., and Michael P. Ford. Do-able Differentiation: Varying Groups, Texts, and Supports to Reach Readers. Portsmouth, NH: Heinemann, 2008.

MLA (9th ed.) Citation

Opitz, Michael F., and Michael P. Ford. Do-able Differentiation: Varying Groups, Texts, and Supports to Reach Readers. Heinemann, 2008.