APA (7th ed.) Citation

Pratt, F. (2012). The Onslaught from Rigel. Project Gutenberg.

Chicago Style (17th ed.) Citation

Pratt, Fletcher. The Onslaught from Rigel. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Pratt, Fletcher. The Onslaught from Rigel. Project Gutenberg, 2012.

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