ebrary, Inc, Wingard, J. D., & Hayes, S. E. (2013). Soils, climate & society: Archaeological investigations in ancient America. University Press of Colorado.
芝加哥风格引文ebrary, Inc, John Davis Wingard, 与 Sue Eileen Hayes. Soils, Climate & Society: Archaeological Investigations in Ancient America. Boulder: University Press of Colorado, 2013.
MLA引文ebrary, Inc, et al. Soils, Climate & Society: Archaeological Investigations in Ancient America. University Press of Colorado, 2013.
警告：这些引文格式不一定是100％准确.