APA引文

Mulvaney, K. (2001). At the ends of the earth: A history of the Polar regions. Washington: Island Press.

Trích dẫn kiểu Chicago

Mulvaney, Kieran. At the Ends of the Earth: A History of the Polar Regions. Washington: Island Press, 2001.

MLA引文

Mulvaney, Kieran. At the Ends of the Earth: A History of the Polar Regions. Washington: Island Press, 2001.

警告：這些引文格式不一定是100％准確.