United States. Bureau of Agricultural Economics. (1931). Estimated numbers of apple trees by varieties and ages in commercial and farm orchards in Colorado, Jan. 1, 1928. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Bureau of Agricultural Economics. Estimated Numbers of Apple Trees by Varieties and Ages in Commercial and Farm Orchards in Colorado, Jan. 1, 1928. [Washington]: [publisher not identified], 1931.
MLA (9th ed.) CitationUnited States. Bureau of Agricultural Economics. Estimated Numbers of Apple Trees by Varieties and Ages in Commercial and Farm Orchards in Colorado, Jan. 1, 1928. [publisher not identified], 1931.
Warning: These citations may not always be 100% accurate.