Ralph, B., & Stewart, J. (1999). Journey through calculus. Brooks/Cole.
Cita Chicago Style (17a ed.)Ralph, Bill, y James Stewart. Journey Through Calculus. Pacific Grove, CA: Brooks/Cole, 1999.
Cita MLA (9a ed.)Ralph, Bill, y James Stewart. Journey Through Calculus. Brooks/Cole, 1999.
Precaución: Estas citas no son 100% exactas.