APA (7th ed.) Citation

Strunk, W. (2011). The Elements of Style. Project Gutenberg.

Chicago Style (17th ed.) Citation

Strunk, William. The Elements of Style. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Strunk, William. The Elements of Style. Project Gutenberg, 2011.

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