APA (7th ed.) Citation

Blackburn, B. R. (2019). Rigor and differentiation in the classroom: Tools and strategies. Routledge.

Chicago Style (17th ed.) Citation

Blackburn, Barbara R. Rigor and Differentiation in the Classroom: Tools and Strategies. New York: Routledge, 2019.

MLA (9th ed.) Citation

Blackburn, Barbara R. Rigor and Differentiation in the Classroom: Tools and Strategies. Routledge, 2019.