APA (7th ed.) Citation

United States. Bureau of Agricultural Economics & Olsen, N. A. (1931). Outlook for dairy industry. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Bureau of Agricultural Economics and Nils Andreas Olsen. Outlook for Dairy Industry. [Place of publication not identified]: [publisher not identified], 1931.

MLA (9th ed.) Citation

United States. Bureau of Agricultural Economics and Nils Andreas Olsen. Outlook for Dairy Industry. [publisher not identified], 1931.