APA-ийн эшлэл(7 дахь хэвлэлт)

ebrary, Inc, Sagarin, R. D., & Taylor, T. (2008). Natural security: A Darwinian approach to a dangerous world. University of California Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

ebrary, Inc, Raphael D. Sagarin, ба Terence Taylor. Natural Security: A Darwinian Approach to a Dangerous World. Berkeley: University of California Press, 2008.

MLA -ийн эшлэл (9 дэх хэвлэлт)

ebrary, Inc, et al. Natural Security: A Darwinian Approach to a Dangerous World. University of California Press, 2008.