APA引文

Zeilik, M. (1979). Astronomy: The evolving universe (2.).

Chicago Edition Citation

Zeilik, Michael. Astronomy: The Evolving Universe. 2. Harper & Brother Publishers, New York, 1979.

MLA引文

Zeilik, Michael. Astronomy: The Evolving Universe. 2. 1979.

警告：這些引文格式不一定是100％准確.