Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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

Precaución: Estas citas no son 100% exactas.