Cita APA (7th ed.)

(1899). Yearbook of the United States Department of Agriculture: научное издание.

Cita Chicago (17th ed.)

Yearbook of the United States Department of Agriculture: научное издание. 1899.

Cita MLA (9th ed.)

Yearbook of the United States Department of Agriculture: научное издание. 1899.

Atenció: Aquestes cites poden no estar 100% correctes.