United States. Bureau of Agricultural Economics & Valgren, V. N. (1931). Insurance needs of agriculture. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Bureau of Agricultural Economics and V. N. Valgren. Insurance Needs of Agriculture. [Place of publication not identified]: [publisher not identified], 1931.
MLA (9th ed.) CitationUnited States. Bureau of Agricultural Economics and V. N. Valgren. Insurance Needs of Agriculture. [publisher not identified], 1931.
Warning: These citations may not always be 100% accurate.