Kinghorn, J. R., Clauset, K., & Willis, C. L. (1979). A guide to four essential themes. Charles F. Kettering Foundation.
芝加哥风格引文Kinghorn, Jon Rye, Karl Clauset, 与 Charles L. Willis. A Guide to Four Essential Themes. Dayton, Ohio: Charles F. Kettering Foundation, 1979.
MLA引文Kinghorn, Jon Rye, et al. A Guide to Four Essential Themes. Charles F. Kettering Foundation, 1979.
警告：这些引文格式不一定是100％准确.