Gale Group & Friedman, L. S. (2012). Endangered species. Greenhaven Press.
芝加哥风格引文Gale Group 与 Lauri S. Friedman. Endangered Species. Detroit, Mich: Greenhaven Press, 2012.
MLA引文Gale Group 与 Lauri S. Friedman. Endangered Species. Greenhaven Press, 2012.
警告：这些引文格式不一定是100％准确.