(1900). Yearbook of the United States Department of Agriculture: научное издание.
Cita Chicago (17th ed.)Yearbook of the United States Department of Agriculture: научное издание. 1900.
Cita MLA (9th ed.)Yearbook of the United States Department of Agriculture: научное издание. 1900.
Atenció: Aquestes cites poden no estar 100% correctes.