APA (7th ed.) Citation

Sundem, G., & Gallardo, M. E. (2006). Improving student writing skills. Shell Educational Pub.

Chicago Style (17th ed.) Citation

Sundem, Garth, and Maria Elvira Gallardo. Improving Student Writing Skills. Huntington Beach, Calif: Shell Educational Pub, 2006.

MLA (9th ed.) Citation

Sundem, Garth, and Maria Elvira Gallardo. Improving Student Writing Skills. Shell Educational Pub, 2006.

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