APA (7th ed.) Citation

Hamm, T. D. (2009). The Last Supper. Project Gutenberg.

Chicago Style (17th ed.) Citation

Hamm, T. D. The Last Supper. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Hamm, T. D. The Last Supper. Project Gutenberg, 2009.

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