APA (7th ed.) Citation

United States. Bureau of Agricultural Economics & Hill, R. G. (1931). Survey of U.S. bulb industry: Preliminary report. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Bureau of Agricultural Economics and R. G. Hill. Survey of U.S. Bulb Industry: Preliminary Report. Washington: [publisher not identified], 1931.

MLA (9th ed.) Citation

United States. Bureau of Agricultural Economics and R. G. Hill. Survey of U.S. Bulb Industry: Preliminary Report. [publisher not identified], 1931.