APA引文

Hadfield, C. (2013). An astronauts guide to life on earth. Macmillan.

Chicago Edition Citation

Hadfield, Chris. An Astronauts Guide to Life on Earth. London: Macmillan, 2013.

MLA引文

Hadfield, Chris. An Astronauts Guide to Life on Earth. Macmillan, 2013.

警告：這些引文格式不一定是100％准確.