Citazione Stile APA (7a Edizione)

Hornsby, E. J., Lial, M. L., & Rockswold, G. K. (2003). A graphical approach to college algebra and trigonometry (3rd ed.). Addison-Wesley.

Citazione stile Chigago Style (17a edizione)

Hornsby, E. John, Margaret L. Lial, e Gary K. Rockswold. A Graphical Approach to College Algebra and Trigonometry. 3rd ed. Boston: Addison-Wesley, 2003.

Citatione MLA (9a ed.)

Hornsby, E. John, et al. A Graphical Approach to College Algebra and Trigonometry. 3rd ed. Addison-Wesley, 2003.