Citazione Stile APA (7a Edizione)

Whitman, W., & Cowley, M. (1986). Walt Whitman's leaves of grass (First (1855) edition.). Penguin Books.

Citazione stile Chigago Style (17a edizione)

Whitman, Walt, e Malcolm Cowley. Walt Whitman's Leaves of Grass. First (1855) edition. New York: Penguin Books, 1986.

Citatione MLA (9a ed.)

Whitman, Walt, e Malcolm Cowley. Walt Whitman's Leaves of Grass. First (1855) edition. Penguin Books, 1986.