APA引文

Fix, J. D. (1999). Astronomy: Journey to the cosmic frontier. WCB/McGraw-Hill.

Trích dẫn kiểu Chicago

Fix, John D. Astronomy: Journey to the Cosmic Frontier. WCB/McGraw-Hill, 1999.

MLA引文

Fix, John D. Astronomy: Journey to the Cosmic Frontier. WCB/McGraw-Hill, 1999.

警告：这些引文格式不一定是100％准确.