APA (7th ed.) Citation

Aufmann, R. N., & Nation, R. D. (2006). Essentials of precalculus. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Aufmann, Richard N., and Richard D. Nation. Essentials of Precalculus. Boston: Houghton Mifflin, 2006.

MLA (8th ed.) Citation

Aufmann, Richard N., and Richard D. Nation. Essentials of Precalculus. Houghton Mifflin, 2006.