APA (7th ed.) Citation

Phillips, R. (2010). The Old Martians. Project Gutenberg.

Chicago Style (17th ed.) Citation

Phillips, Rog. The Old Martians. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Phillips, Rog. The Old Martians. Project Gutenberg, 2010.

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