APA引文

Iowa State College. Extension Service. Iowa 4-H leader. Iowa State College, Extension Service.

Chicago Style (17th ed.) Citation

Iowa State College. Extension Service. Iowa 4-H Leader. Ames: Iowa State College, Extension Service.

MLA引文

Iowa State College. Extension Service. Iowa 4-H Leader. Iowa State College, Extension Service.

警告：这些引文格式不一定是100％准确.