APA (7th ed.) Citation

Penna, J. A. (2009). Graphing calculator manual. Pearson/Addison-Wesley.

Chicago Style (17th ed.) Citation

Penna, Judith A. Graphing Calculator Manual. Boston: Pearson/Addison-Wesley, 2009.

MLA (9th ed.) Citation

Penna, Judith A. Graphing Calculator Manual. Pearson/Addison-Wesley, 2009.