APA (7th ed.) Citation

Whitman, W. (2010). Leaves of grass. Project Gutenberg.

Chicago Style (17th ed.) Citation

Whitman, Walt. Leaves of Grass. To be supplied: Project Gutenberg, 2010.

MLA (8th ed.) Citation

Whitman, Walt. Leaves of Grass. Project Gutenberg, 2010.

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