Ball James W., Blaine McCleske R., & U.S. Geological Survey. A new cation-exchange method for accurate field speciation of hexavalent chromium.
芝加哥风格引文Ball James W., Blaine McCleske R., 与 U.S. Geological Survey. A New Cation-exchange Method for Accurate Field Speciation of Hexavalent Chromium.
MLA引文Ball James W., et al. A New Cation-exchange Method for Accurate Field Speciation of Hexavalent Chromium.
警告：这些引文格式不一定是100％准确.