Whitman, W., & Cowley, M. (1986). Walt Whitman's leaves of grass (First (1855) edition.). Penguin Books.
Cita Chicago (17th ed.)Whitman, Walt, i Malcolm Cowley. Walt Whitman's Leaves of Grass. First (1855) edition. New York: Penguin Books, 1986.
Cita MLA (9th ed.)Whitman, Walt, i Malcolm Cowley. Walt Whitman's Leaves of Grass. First (1855) edition. Penguin Books, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.