APA引文

Iowa State College. Agricultural Extension Dept. (1921). Agricultural extension bulletin. The Dept..

Chicago Style (17th ed.) Citation

Iowa State College. Agricultural Extension Dept. Agricultural Extension Bulletin. Ames, Iowa: The Dept., 1921.

MLA引文

Iowa State College. Agricultural Extension Dept. Agricultural Extension Bulletin. The Dept., 1921.

警告：这些引文格式不一定是100％准确.