Cita APA (7a ed.)

Whitman, W. (1921). Leaves of grass. The modern library.

Cita Chicago Style (17a ed.)

Whitman, Walt. Leaves of Grass. New York, Estados Unidos: The modern library, 1921.

Cita MLA (9a ed.)

Whitman, Walt. Leaves of Grass. The modern library, 1921.