Isichei, A. O. (2014). Vegetation. Nigerian Environmental Study/Action Team.
芝加哥风格引文Isichei, A. O. Vegetation. Nigerian Environmental Study/Action Team, 2014.
MLA引文Isichei, A. O. Vegetation. Nigerian Environmental Study/Action Team, 2014.
警告：这些引文格式不一定是100％准确.