Cita APA (7th ed.)

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.