APA aipamena

Walker, I. M. (1970). Mark Twain. Humanities Press.

Chicago Style aipamena

Walker, I. M. Mark Twain. New York: Humanities Press, 1970.

MLA aipamena

Walker, I. M. Mark Twain. Humanities Press, 1970.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.