APA引文

Fix, J. D. (2006). Astronomy: Journey to the cosmic frontier. Boston, MA: McGraw-Hil.

Trích dẫn kiểu Chicago

Fix, John D. Astronomy: Journey to the Cosmic Frontier. Boston, MA: McGraw-Hil, 2006.

MLA引文

Fix, John D. Astronomy: Journey to the Cosmic Frontier. Boston, MA: McGraw-Hil, 2006.

警告：这些引文格式不一定是100％准确.