APA (7th ed.) Citation

Drummond, H. (2004). "Beautiful Thoughts". Project Gutenberg.

Chicago Style (17th ed.) Citation

Drummond, Henry. "Beautiful Thoughts". Project Gutenberg, 2004.

MLA (9th ed.) Citation

Drummond, Henry. "Beautiful Thoughts". Project Gutenberg, 2004.

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