Christensen, J. J. (1963). Corn smut caused by Ustilago maydis. American Phytopathological Society.
芝加哥风格引文Christensen, J. J. Corn Smut Caused by Ustilago Maydis. St. Paul: American Phytopathological Society, 1963.
MLA引文Christensen, J. J. Corn Smut Caused by Ustilago Maydis. American Phytopathological Society, 1963.
警告：这些引文格式不一定是100％准确.