APA (7th ed.) Zitazioa
Schmude, R. W. (2008). Uranus, Neptune, and Pluto and how to observe them. Springer.
Chicago Style (17th ed.) Zitazioa
Schmude, Richard W. Uranus, Neptune, and Pluto and How to Observe Them. New York ; London: Springer, 2008.
MLA (9th ed.) Zitazioa
Schmude, Richard W. Uranus, Neptune, and Pluto and How to Observe Them. Springer, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.