APA (7th ed.) Zitazioa
ebrary, Inc, & Canfield, M. R. (2011). Field notes on science & nature. Harvard University Press.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, eta Michael R. Canfield. Field Notes on Science & Nature. Cambridge, Mass.: Harvard University Press, 2011.
MLA (9th ed.) Zitazioa
ebrary, Inc, eta Michael R. Canfield. Field Notes on Science & Nature. Harvard University Press, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.