APA (7th ed.) Citation

Niven, F. (2013). The Lost Cabin Mine. Project Gutenberg.

Chicago Style (17th ed.) Citation

Niven, Frederick. The Lost Cabin Mine. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Niven, Frederick. The Lost Cabin Mine. Project Gutenberg, 2013.

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