APA (7th ed.) Citation

Allen, G. (2004). The Great Taboo. Project Gutenberg.

Chicago Style (17th ed.) Citation

Allen, Grant. The Great Taboo. Project Gutenberg, 2004.

MLA (9th ed.) Citation

Allen, Grant. The Great Taboo. Project Gutenberg, 2004.

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