Style de citation APA (7e éd.)

Não informado. (2007). Report of the Division of the Agriculture. Iowa State College, Division of the Agriculture.

Style de citation Chicago (17e éd.)

Não informado. Report of the Division of the Agriculture. Ames, Iowa: Iowa State College, Division of the Agriculture, 2007.

Style de citation MLA (8e éd.)

Não informado. Report of the Division of the Agriculture. Iowa State College, Division of the Agriculture, 2007.

Attention : ces citations peuvent ne pas être correctes à 100%.