APA (7th ed.) Zitazioa
Condie, K. C. (2005). Earth as an evolving planetary system. Elsevier Academic Press.
Chicago Style (17th ed.) Zitazioa
Condie, Kent C. Earth as an Evolving Planetary System. Amsterdam ; Boston: Elsevier Academic Press, 2005.
MLA (9th ed.) Zitazioa
Condie, Kent C. Earth as an Evolving Planetary System. Elsevier Academic Press, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.