Citazione Stile APA (7a Edizione)

(1915). Yearbook of the United States Department of Agriculture 1915. Government Printing.

Citazione stile Chigago Style (17a edizione)

Yearbook of the United States Department of Agriculture 1915. Washington: Government Printing, 1915.

Citatione MLA (9a ed.)

Yearbook of the United States Department of Agriculture 1915. Government Printing, 1915.