APA (7th ed.) Citation

Bookwalter, J. W. (2005). If Not Silver, What? Project Gutenberg.

Chicago Style (17th ed.) Citation

Bookwalter, John W. If Not Silver, What? Project Gutenberg, 2005.

MLA (9th ed.) Citation

Bookwalter, John W. If Not Silver, What? Project Gutenberg, 2005.

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