APA (7th ed.) Citation

Swift, J. (2005). The Battle of the Books. Project Gutenberg.

Chicago Style (17th ed.) Citation

Swift, Jonathan. The Battle of the Books. Project Gutenberg, 2005.

MLA (9th ed.) Citation

Swift, Jonathan. The Battle of the Books. Project Gutenberg, 2005.

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