APA (7th ed.) Citation

O'Brien, T., & Guiney, D. (2001). Differentiation in teaching and learning: Principles and practice. Continuum.

Chicago Style (17th ed.) Citation

O'Brien, Tim, and Dennis Guiney. Differentiation in Teaching and Learning: Principles and Practice. London: Continuum, 2001.

MLA (9th ed.) Citation

O'Brien, Tim, and Dennis Guiney. Differentiation in Teaching and Learning: Principles and Practice. Continuum, 2001.