Burton, M., & Burton, R. (2000). The little brown: Encyclopedia of animals. Little, Brown and Company.
芝加哥风格引文Burton, Maurice, 与 Robert Burton. The Little Brown: Encyclopedia of Animals. London: Little, Brown and Company, 2000.
MLA引文Burton, Maurice, 与 Robert Burton. The Little Brown: Encyclopedia of Animals. Little, Brown and Company, 2000.
警告：这些引文格式不一定是100％准确.