APA引文

Williams, K. (2021). The loneliest Polar bear: A true story of survival and peril on the edge of a warming world (First edition.). Crown.

Chicago Style (17th ed.) Citation

Williams, Kale. The Loneliest Polar Bear: A True Story of Survival and Peril on the Edge of a Warming World. First edition. New York: Crown, 2021.

MLA引文

Williams, Kale. The Loneliest Polar Bear: A True Story of Survival and Peril on the Edge of a Warming World. First edition. Crown, 2021.

警告：這些引文格式不一定是100％准確.