APA (7th ed.) Citation

United States. Bureau of Agricultural Economics & Olsen, N. A. (1928). Bureau of Agricultural Economics as national service agency. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Bureau of Agricultural Economics and Nils Andreas Olsen. Bureau of Agricultural Economics as National Service Agency. [Place of publication not identified]: [publisher not identified], 1928.

MLA (9th ed.) Citation

United States. Bureau of Agricultural Economics and Nils Andreas Olsen. Bureau of Agricultural Economics as National Service Agency. [publisher not identified], 1928.