APA (7th ed.) Citation

Tussy, A. S., & Gustafson, R. D. (2009). Elementary algebra (4th ed.). Cengage Learning.

Chicago Style (17th ed.) Citation

Tussy, Alan S., and R. David Gustafson. Elementary Algebra. 4th ed. Mason, Ohio: Cengage Learning, 2009.

MLA (9th ed.) Citation

Tussy, Alan S., and R. David Gustafson. Elementary Algebra. 4th ed. Cengage Learning, 2009.