APA (7th ed.) Zitazioa
Powell, J. A., & Opler, P. A. (2009). Moths of Western North America. University of California Press.
Chicago Style (17th ed.) Zitazioa
Powell, Jerry A., eta Paul A. Opler. Moths of Western North America. Berkeley: University of California Press, 2009.
MLA (9th ed.) Zitazioa
Powell, Jerry A., eta Paul A. Opler. Moths of Western North America. University of California Press, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.