APA (7th ed.) Citation

Verne, J. (2005). The Underground City; Or, The Black Indies (Sometimes Called The Child of the Cavern). Project Gutenberg.

Chicago Style (17th ed.) Citation

Verne, Jules. The Underground City; Or, The Black Indies (Sometimes Called The Child of the Cavern). Project Gutenberg, 2005.

MLA (9th ed.) Citation

Verne, Jules. The Underground City; Or, The Black Indies (Sometimes Called The Child of the Cavern). Project Gutenberg, 2005.

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