APA Citation

Penna, J. A. (2006). Graphing calculator manual: Algebra and Trigonometry: Graphs and Models. Boston: Pearson.

Chicago Style Citation

Penna, Judith A. Graphing Calculator Manual: Algebra and Trigonometry: Graphs and Models. Boston: Pearson, 2006.

MLA Citation

Penna, Judith A. Graphing Calculator Manual: Algebra and Trigonometry: Graphs and Models. Boston: Pearson, 2006.

Warning: These citations may not always be 100% accurate.