Zeilik, M. (1998). Astronomy: The evolving universe (8th ed.). John Wiley.
Citación estilo ChicagoZeilik, Michael. Astronomy: The Evolving Universe. 8th ed. New York: John Wiley, 1998.
Cita MLAZeilik, Michael. Astronomy: The Evolving Universe. 8th ed. John Wiley, 1998.
Warning: These citations may not always be 100% accurate.