APA (7th ed.) Zitazioa

Zeilik, M. (1985). Astronomy the evolving universe. Harper and Row.

Chicago Style (17th ed.) Zitazioa

Zeilik, Michael. Astronomy the Evolving Universe. New York: Harper and Row, 1985.

MLA (9th ed.) Zitazioa

Zeilik, Michael. Astronomy the Evolving Universe. Harper and Row, 1985.