APA (7th ed.) Citation

Burton, R. (2010). How to See a Play. Project Gutenberg.

Chicago Style (17th ed.) Citation

Burton, Richard. How to See a Play. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Burton, Richard. How to See a Play. Project Gutenberg, 2010.

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