APA (7th ed.) Citation

Fyfe, H. B. (2007). This World Must Die! Project Gutenberg.

Chicago Style (17th ed.) Citation

Fyfe, H. B. This World Must Die! Project Gutenberg, 2007.

MLA (9th ed.) Citation

Fyfe, H. B. This World Must Die! Project Gutenberg, 2007.

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