APA引文

Barnett, M., & Harris, S. (2020). A polar bear in the snow (First edition.). Candlewick Press.

Chicago Style (17th ed.) Citation

Barnett, Mac, and Shawn Harris. A Polar Bear in the Snow. First edition. Somerville, Massachusetts: Candlewick Press, 2020.

MLA引文

Barnett, Mac, and Shawn Harris. A Polar Bear in the Snow. First edition. Candlewick Press, 2020.

警告：這些引文格式不一定是100％准確.