APA (7th ed.) Citation

Rees, A. J. (2004). The Moon Rock. Project Gutenberg.

Chicago Style (17th ed.) Citation

Rees, Arthur J. The Moon Rock. Project Gutenberg, 2004.

MLA (9th ed.) Citation

Rees, Arthur J. The Moon Rock. Project Gutenberg, 2004.

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