APA (7th ed.) Zitazioa

Zeilik, M. (1998). Astronomy: The evolving universe (8th ed.). John Wiley.

Chicago Style (17th ed.) Zitazioa

Zeilik, Michael. Astronomy: The Evolving Universe. 8th ed. New York: John Wiley, 1998.

MLA (9th ed.) Zitazioa

Zeilik, Michael. Astronomy: The Evolving Universe. 8th ed. John Wiley, 1998.