APA (7th ed.) Citation
Gustafson, R. D., & Frisk, P. D. (2006). Álgebra intermedia (7a. ed.). Cengage Learning.
Chicago Style (17th ed.) Citation
Gustafson, R. David, and Peter D. Frisk. Álgebra Intermedia. 7a. ed. México: Cengage Learning, 2006.
MLA (9th ed.) Citation
Gustafson, R. David, and Peter D. Frisk. Álgebra Intermedia. 7a. ed. Cengage Learning, 2006.
Warning: These citations may not always be 100% accurate.