APA aipamena

Allen, G. W. (1961). Walt Whitman. New York: Grove Press.

Chicago Style aipamena

Allen, Gay Wilson. Walt Whitman. New York: Grove Press, 1961.

MLA aipamena

Allen, Gay Wilson. Walt Whitman. New York: Grove Press, 1961.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.