Cita APA (7th ed.)

Whitman, W. (2004). The portable Walt Whitman (1a. ed.). Penguin Books.

Cita Chicago (17th ed.)

Whitman, Walt. The Portable Walt Whitman. 1a. ed. Nueva York: Penguin Books, 2004.

Cita MLA (9th ed.)

Whitman, Walt. The Portable Walt Whitman. 1a. ed. Penguin Books, 2004.