APA aipamena

Gelb, A., & Gelb, B. (1962). O'Neill. Harper.

Chicago Style aipamena

Gelb, Arthur, and Barbara Gelb. O'Neill. New York: Harper, 1962.

MLA aipamena

Gelb, Arthur, and Barbara Gelb. O'Neill. Harper, 1962.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.