Luginbill, P., & Beyer, A. H. (1921). Corn earworm as an enemy of vetch. Government printing office.
芝加哥风格引文Luginbill, Philip, 与 A. H. Beyer. Corn Earworm as an Enemy of Vetch. Washington: Government printing office, 1921.
MLA引文Luginbill, Philip, 与 A. H. Beyer. Corn Earworm as an Enemy of Vetch. Government printing office, 1921.
警告：这些引文格式不一定是100％准确.