APA (7th ed.) Citation

Whitman, W., & Field, R. (2009). Leaves of grass. Blackstone Audio.

Chicago Style (17th ed.) Citation

Whitman, Walt, and Robin Field. Leaves of Grass. [Ashland, OR]: Blackstone Audio, 2009.

MLA (8th ed.) Citation

Whitman, Walt, and Robin Field. Leaves of Grass. Blackstone Audio, 2009.

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