APA (7th ed.) Citation

Castlemon, H. (2011). The Haunted Mine. Project Gutenberg.

Chicago Style (17th ed.) Citation

Castlemon, Harry. The Haunted Mine. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Castlemon, Harry. The Haunted Mine. Project Gutenberg, 2011.

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