APA (7th ed.) Citation

Whitman, W. (1998). Leaves of grass by Walt Whitman. Project Gutenberg Literary Archive Foundation.

Chicago Style (17th ed.) Citation

Whitman, Walt. Leaves of Grass by Walt Whitman. Salt Lake City: Project Gutenberg Literary Archive Foundation, 1998.

MLA (9th ed.) Citation

Whitman, Walt. Leaves of Grass by Walt Whitman. Project Gutenberg Literary Archive Foundation, 1998.

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