APA (7th ed.) Citation

Verne, J., & Bolen, J. (2009). The underground city, with ebook (Unabridged.). Tantor Media.

Chicago Style (17th ed.) Citation

Verne, Jules, and John Bolen. The Underground City, with Ebook. Unabridged. Old Saybrook: Tantor Media, 2009.

MLA (8th ed.) Citation

Verne, Jules, and John Bolen. The Underground City, with Ebook. Unabridged. Tantor Media, 2009.

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