APA (7th ed.) Zitazioa
Sanders, S. R. (2012). Earth works: Selected essays. Indiana University Press.
Chicago Style (17th ed.) Zitazioa
Sanders, Scott R. Earth Works: Selected Essays. Bloomington: Indiana University Press, 2012.
MLA (9th ed.) Zitazioa
Sanders, Scott R. Earth Works: Selected Essays. Indiana University Press, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.