APA (7th ed.) Citation

Zeilik, M. (1991). Astronomy, the evolving universe (6th ed.). John Wiley.

Chicago Style (17th ed.) Citation

Zeilik, Michael. Astronomy, the Evolving Universe. 6th ed. New York: John Wiley, 1991.

MLA (9th ed.) Citation

Zeilik, Michael. Astronomy, the Evolving Universe. 6th ed. John Wiley, 1991.