APA (7th ed.) Zitazioa
Thomas, P. J., Hicks, R. D., Chyba, C. F., & McKay, C. P. (2006). Comets and the Origin and Evolution of Life. Springer Berlin Heidelberg. https://doi.org/10.1007/10903490
Chicago Style (17th ed.) Zitazioa
Thomas, Paul J., Roland Dean Hicks, Christopher F. Chyba, eta Christopher P. McKay. Comets and the Origin and Evolution of Life. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. https://doi.org/10.1007/10903490.
MLA (9th ed.) Zitazioa
Thomas, Paul J., et al. Comets and the Origin and Evolution of Life. Springer Berlin Heidelberg, 2006. https://doi.org/10.1007/10903490.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.