APA (7th ed.) Citation

Sutton, J. (2013). First on the Moon. Project Gutenberg.

Chicago Style (17th ed.) Citation

Sutton, Jeff. First on the Moon. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Sutton, Jeff. First on the Moon. Project Gutenberg, 2013.

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