APA (7th ed.) Citation

Beecher, J. A., Penna, J. A., & Bittinger, M. L. (2012). Precalculus: A right triangle approach (Fourth editon.). Pearson Addison-Wesley.

Chicago Style (17th ed.) Citation

Beecher, Judith A., Judith A. Penna, and Marvin L. Bittinger. Precalculus: A Right Triangle Approach. Fourth editon. Boston: Pearson Addison-Wesley, 2012.

MLA (8th ed.) Citation

Beecher, Judith A., et al. Precalculus: A Right Triangle Approach. Fourth editon. Pearson Addison-Wesley, 2012.