Cita APA (7th ed.)

Lial, M. L., Hornsby, J., & Schneider, D. I. (2008). Precalculus (4th ed.). Pearson Addison Wesley.

Cita Chicago (17th ed.)

Lial, Margaret L., John Hornsby, i David I. Schneider. Precalculus. 4th ed. Boston: Pearson Addison Wesley, 2008.

Cita MLA (9th ed.)

Lial, Margaret L., et al. Precalculus. 4th ed. Pearson Addison Wesley, 2008.