APA (7th ed.) Citation

Whitman, W. (2007). Leaves of Grass. Project Gutenberg.

Chicago Style (17th ed.) Citation

Whitman, Walt. Leaves of Grass. Project Gutenberg, 2007.

MLA (9th ed.) Citation

Whitman, Walt. Leaves of Grass. Project Gutenberg, 2007.

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