Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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

Precaución: Estas citas no son 100% exactas.