Cita APA (7a ed.)

Não informado. (1926). Yearbook of agriculture. U.S. Department of Agriculture.

Cita Chicago Style (17a ed.)

Não informado. Yearbook of Agriculture. Washington: U.S. Department of Agriculture, 1926.

Cita MLA (8a ed.)

Não informado. Yearbook of Agriculture. U.S. Department of Agriculture, 1926.

Precaución: Estas citas no son 100% exactas.