APA-Zitierstil (7. Ausg.)

Não informado. Iowa State College bulletin. Iowa State College of Agriculture and Mechanic Arts.

Chicago-Zitierstil (17. Ausg.)

Não informado. Iowa State College Bulletin. Ames, Iowa: Iowa State College of Agriculture and Mechanic Arts.

MLA-Zitierstil (8. Ausg.)

Não informado. Iowa State College Bulletin. Iowa State College of Agriculture and Mechanic Arts.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.