APA (7th ed.) Zitazioa
Richter, J. (2010). Threshold. Crab Orchard Review : Southern Illinois University Press.
Chicago Style (17th ed.) Zitazioa
Richter, Jennifer. Threshold. Carbondale: Crab Orchard Review : Southern Illinois University Press, 2010.
MLA (9th ed.) Zitazioa
Richter, Jennifer. Threshold. Crab Orchard Review : Southern Illinois University Press, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.