United States. Bureau of Plant Industry. (1912). Distribution of seeds and plants by Department of Agriculture. GPO.
Chicago Style (17th ed.) CitationUnited States. Bureau of Plant Industry. Distribution of Seeds and Plants by Department of Agriculture. [Washington]: GPO, 1912.
MLA (9th ed.) CitationUnited States. Bureau of Plant Industry. Distribution of Seeds and Plants by Department of Agriculture. GPO, 1912.
Warning: These citations may not always be 100% accurate.