APA (7th ed.) Zitazioa

Culver, R. B. (1979). Astronomy. Harper and Row.

Chicago Style (17th ed.) Zitazioa

Culver, Roger B. Astronomy. New York: Harper and Row, 1979.

MLA (9th ed.) Zitazioa

Culver, Roger B. Astronomy. Harper and Row, 1979.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.