APA (7th ed.) Citation

Modesitt, J., & Dufris, W. (2009). Imager's challenge (Unabridged.). Tantor Media.

Chicago Style (17th ed.) Citation

Modesitt, Jr, and William Dufris. Imager's Challenge. Unabridged. Old Saybrook: Tantor Media, 2009.

MLA (8th ed.) Citation

Modesitt, Jr, and William Dufris. Imager's Challenge. Unabridged. Tantor Media, 2009.

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