APA (7th ed.) Citation

Chesterton, G. K., & Robertson, W. G. (2006). The Napoleon of Notting Hill. Project Gutenberg.

Chicago Style (17th ed.) Citation

Chesterton, G. K., and W. Graham Robertson. The Napoleon of Notting Hill. Project Gutenberg, 2006.

MLA (9th ed.) Citation

Chesterton, G. K., and W. Graham Robertson. The Napoleon of Notting Hill. Project Gutenberg, 2006.

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