Spilsbury, L. (2013). Walruses. Capstone Heinemann Library.
芝加哥风格引文Spilsbury, Louise. Walruses. Chicago, Ill.: Capstone Heinemann Library, 2013.
MLA引文Spilsbury, Louise. Walruses. Capstone Heinemann Library, 2013.
警告：这些引文格式不一定是100％准确.
APA引文