Cita APA (7a ed.)

Zeilik, M. (1976). Astronomy, the evolving universe. Harper & Row, Publishers.

Cita Chicago Style (17a ed.)

Zeilik, Michael. Astronomy, the Evolving Universe. New York: Harper & Row, Publishers, 1976.

Cita MLA (9a ed.)

Zeilik, Michael. Astronomy, the Evolving Universe. Harper & Row, Publishers, 1976.