Cita APA (7th ed.)

Whitman, W., & Miller, E. H. (1990). Selected letters of Walt Whitman. University of Iowa Press.

Cita Chicago (17th ed.)

Whitman, Walt, i Edwin Haviland Miller. Selected Letters of Walt Whitman. Iowa City, IA: University of Iowa Press, 1990.

Cita MLA (9th ed.)

Whitman, Walt, i Edwin Haviland Miller. Selected Letters of Walt Whitman. University of Iowa Press, 1990.