APA (7th ed.) Citation

Allen, G. (2010). The british barbarians. Project Gutenberg.

Chicago Style (17th ed.) Citation

Allen, Grant. The British Barbarians. To be supplied: Project Gutenberg, 2010.

MLA (8th ed.) Citation

Allen, Grant. The British Barbarians. Project Gutenberg, 2010.

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