Cita APA (7th ed.)

Zeilik, M. (1997). Astronomy : the evolving universe: The evolving universe (8th ed.). John Wiley & Sons.

Cita Chicago (17th ed.)

Zeilik, Michael. Astronomy : The Evolving Universe: The Evolving Universe. 8th ed. New York: John Wiley & Sons, 1997.

Cita MLA (9th ed.)

Zeilik, Michael. Astronomy : The Evolving Universe: The Evolving Universe. 8th ed. John Wiley & Sons, 1997.