APA (7th ed.) Citation

Collins, S., & Boehmer, P. (2005). Gregor the overlander (Unabridged.). Listening Library.

Chicago Style (17th ed.) Citation

Collins, Suzanne, and Paul Boehmer. Gregor the Overlander. Unabridged. New York: Listening Library, 2005.

MLA (8th ed.) Citation

Collins, Suzanne, and Paul Boehmer. Gregor the Overlander. Unabridged. Listening Library, 2005.

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