Cita APA (7th ed.)

Greenspan, E. (1995). The Cambridge companion to Walt Whitman. Cambridge Univ. Pr..

Cita Chicago (17th ed.)

Greenspan, Ezra. The Cambridge Companion to Walt Whitman. New York: Cambridge Univ. Pr., 1995.

Cita MLA (9th ed.)

Greenspan, Ezra. The Cambridge Companion to Walt Whitman. Cambridge Univ. Pr., 1995.