APA (7th ed.) Citation

Blackstone, W. (2009). Commentaries on the Laws of England, Book the First. Project Gutenberg.

Chicago Style (17th ed.) Citation

Blackstone, William. Commentaries on the Laws of England, Book the First. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Blackstone, William. Commentaries on the Laws of England, Book the First. Project Gutenberg, 2009.

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