ebrary, Inc, Columbus, A., & Kuznetsov, L. (2009). Endangered species: New research. Nova Science Publishers.
芝加哥风格引文ebrary, Inc, Alexandra Columbus, 与 Luke Kuznetsov. Endangered Species: New Research. New York: Nova Science Publishers, 2009.
MLA引文ebrary, Inc, et al. Endangered Species: New Research. Nova Science Publishers, 2009.
警告：这些引文格式不一定是100％准确.