APA (7th ed.) Citation

Cohen, D., Lee, T., & Sklar, D. (2005). Precalculus: A problems-oriented approach (6th ed.). Thomson/Brooks/Cole.

Chicago Style (17th ed.) Citation

Cohen, David, Theodore Lee, and David Sklar. Precalculus: A Problems-oriented Approach. 6th ed. Belmont, CA: Thomson/Brooks/Cole, 2005.

MLA (8th ed.) Citation

Cohen, David, et al. Precalculus: A Problems-oriented Approach. 6th ed. Thomson/Brooks/Cole, 2005.