APA引文

Iowa State College. Agricultural Extension Dept & Iowa State College. Agricultural Extension Dept. Schools Section. (1912). School circular. Dept. of Agricultural Extension, Schools Section.

Chicago Style (17th ed.) Citation

Iowa State College. Agricultural Extension Dept and Iowa State College. Agricultural Extension Dept. Schools Section. School Circular. Ames, Iowa: Dept. of Agricultural Extension, Schools Section, 1912.

MLA引文

Iowa State College. Agricultural Extension Dept and Iowa State College. Agricultural Extension Dept. Schools Section. School Circular. Dept. of Agricultural Extension, Schools Section, 1912.

警告:這些引文格式不一定是100%准確.