APA (7th ed.) Citation

Santayana, G. (2008). The Sense of Beauty Being the Outlines of Aesthetic Theory. Project Gutenberg.

Chicago Style (17th ed.) Citation

Santayana, George. The Sense of Beauty Being the Outlines of Aesthetic Theory. Project Gutenberg, 2008.

MLA (9th ed.) Citation

Santayana, George. The Sense of Beauty Being the Outlines of Aesthetic Theory. Project Gutenberg, 2008.

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