APA (7th ed.) Citation

Benson, L. (2004). Fifteen Years in Hell An Autobiography. Project Gutenberg.

Chicago Style (17th ed.) Citation

Benson, Luther. Fifteen Years in Hell An Autobiography. Project Gutenberg, 2004.

MLA (9th ed.) Citation

Benson, Luther. Fifteen Years in Hell An Autobiography. Project Gutenberg, 2004.

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