Cita APA (7th ed.)
Barnett, R. A., Ziegler, M. R., & Byleen, K. E. (1999). College algebra (6th ed.). WCB/McGraw-Hill.
Cita Chicago (17th ed.)
Barnett, Raymond A., Michael R. Ziegler, i Karl E. Byleen. College Algebra. 6th ed. Boston: WCB/McGraw-Hill, 1999.
Cita MLA (9th ed.)
Barnett, Raymond A., et al. College Algebra. 6th ed. WCB/McGraw-Hill, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.