Trigger, B. G., & Trigger, B. G. (2007). Understanding early civilizations: A comparative study (1. edition.). Cambridge: Cambridge University Press.
Chicago Style CitationTrigger, Bruce G., and Bruce G. Trigger. Understanding Early Civilizations: A Comparative Study. 1. edition. Cambridge: Cambridge University Press, 2007.
MLA CitationTrigger, Bruce G., and Bruce G. Trigger. Understanding Early Civilizations: A Comparative Study. 1. edition. Cambridge: Cambridge University Press, 2007.
Warning: These citations may not always be 100% accurate.