APA (7th ed.) Zitazioa
Greene, H. W. (2013). Tracks and shadows: Field biology as art. University of California Press.
Chicago Style (17th ed.) Zitazioa
Greene, Harry W. Tracks and Shadows: Field Biology as Art. Berkeley: University of California Press, 2013.
MLA (9th ed.) Zitazioa
Greene, Harry W. Tracks and Shadows: Field Biology as Art. University of California Press, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.