Cita APA (7a ed.)

Sullivan, M., & Sullivan, M. (2014). Precalculus: Enhanced with graphing utilities (Sixth edition, Pearson new international edition.). Pearson.

Cita Chicago Style (17a ed.)

Sullivan, Michael, y Mike Sullivan. Precalculus: Enhanced with Graphing Utilities. Sixth edition, Pearson new international edition. Harlow, England: Pearson, 2014.

Cita MLA (8a ed.)

Sullivan, Michael, y Mike Sullivan. Precalculus: Enhanced with Graphing Utilities. Sixth edition, Pearson new international edition. Pearson, 2014.