APA引文

Arny, T. (2004). Explorations: An introduction to astronomy. Boston: McGraw-Hill.

Trích dẫn kiểu Chicago

Arny, Thomas. Explorations: An Introduction to Astronomy. Boston: McGraw-Hill, 2004.

MLA引文

Arny, Thomas. Explorations: An Introduction to Astronomy. Boston: McGraw-Hill, 2004.

警告：這些引文格式不一定是100％准確.