ebrary, Inc, Sagarin, R. D., & Taylor, T. (2008). Natural security: A Darwinian approach to a dangerous world. University of California Press.
芝加哥风格引文ebrary, Inc, Raphael D. Sagarin, 与 Terence Taylor. Natural Security: A Darwinian Approach to a Dangerous World. Berkeley: University of California Press, 2008.
MLA引文ebrary, Inc, et al. Natural Security: A Darwinian Approach to a Dangerous World. University of California Press, 2008.
警告：这些引文格式不一定是100％准确.