APA (7th ed.) Zitazioa
Greenberg, R. (2008). Unmasking Europa: The search for life on Jupiter's ocean moon. Copernicus books ; : Praxis.
Chicago Style (17th ed.) Zitazioa
Greenberg, Richard. Unmasking Europa: The Search for Life on Jupiter's Ocean Moon. New York, N.Y.: Copernicus books ; : Praxis, 2008.
MLA (9th ed.) Zitazioa
Greenberg, Richard. Unmasking Europa: The Search for Life on Jupiter's Ocean Moon. Copernicus books ; : Praxis, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.