United States. Department of Agriculture. Office of the Secretary. (1928). Seed production from sugar beets over-wintered in field. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Department of Agriculture. Office of the Secretary. Seed Production from Sugar Beets Over-wintered in Field. Washington: [publisher not identified], 1928.
MLA (9th ed.) CitationUnited States. Department of Agriculture. Office of the Secretary. Seed Production from Sugar Beets Over-wintered in Field. [publisher not identified], 1928.
Warning: These citations may not always be 100% accurate.