United States. Bureau of Agricultural Economics & Olsen, N. A. (1928). Economic information in Bureau of Agricultural Economics available for extension. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Bureau of Agricultural Economics and Nils Andreas Olsen. Economic Information in Bureau of Agricultural Economics Available for Extension. [Place of publication not identified]: [publisher not identified], 1928.
MLA (9th ed.) CitationUnited States. Bureau of Agricultural Economics and Nils Andreas Olsen. Economic Information in Bureau of Agricultural Economics Available for Extension. [publisher not identified], 1928.
Warning: These citations may not always be 100% accurate.