APA (7th ed.) Citation

Petit, M. M., Laird, R. E., & Marsden, E. L. (2010). A focus on fractions: Bringing research to the classroom. Routledge.

Chicago Style (17th ed.) Citation

Petit, Marjorie M., Robert E. Laird, and Edwin L. Marsden. A Focus on Fractions: Bringing Research to the Classroom. New York: Routledge, 2010.

MLA (9th ed.) Citation

Petit, Marjorie M., et al. A Focus on Fractions: Bringing Research to the Classroom. Routledge, 2010.