Dutton, G. (1961). Walt Whitman. Oliver & Boyd.
Cita Chicago (17th ed.)Dutton, Geoffrey. Walt Whitman. Edinburgh: Oliver & Boyd, 1961.
Cita MLA (9th ed.)Dutton, Geoffrey. Walt Whitman. Oliver & Boyd, 1961.
Atenció: Aquestes cites poden no estar 100% correctes.