APA (7th ed.) Citation

Mallock, W. H. (2005). Is Life Worth Living? Project Gutenberg.

Chicago Style (17th ed.) Citation

Mallock, W. H. Is Life Worth Living? Project Gutenberg, 2005.

MLA (9th ed.) Citation

Mallock, W. H. Is Life Worth Living? Project Gutenberg, 2005.

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