Cita APA (7th ed.)

Lial, M. L., Hornsby, E. J., & Schneider, D. I. (2009). College algebra: College algebra and trigonometry (Custom ed. for Delaware State University.). Custom Pub.

Cita Chicago (17th ed.)

Lial, Margaret L., E. John Hornsby, i David I. Schneider. College Algebra: College Algebra and Trigonometry. Custom ed. for Delaware State University. New York: Custom Pub, 2009.

Cita MLA (9th ed.)

Lial, Margaret L., et al. College Algebra: College Algebra and Trigonometry. Custom ed. for Delaware State University. Custom Pub, 2009.

Atenció: Aquestes cites poden no estar 100% correctes.