Cita APA (7th ed.)

Webster, M. J. (1999). Computer algebra systems, a practical guide. John Wiley and Sons.

Cita Chicago (17th ed.)

Webster, Michael J. Computer Algebra Systems, a Practical Guide. New York: John Wiley and Sons, 1999.

Cita MLA (9th ed.)

Webster, Michael J. Computer Algebra Systems, a Practical Guide. John Wiley and Sons, 1999.