United States. Bureau of Plant Industry. (1933). Plant material introduced by Division of Foreign Plant Introduction, July 1-Sept. 30, 1931; nos. 93749-94282. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of Plant Industry. Plant Material Introduced by Division of Foreign Plant Introduction, July 1-Sept. 30, 1931; Nos. 93749-94282. [Washington]: [s.n.], 1933.
MLA (9th ed.) CitationUnited States. Bureau of Plant Industry. Plant Material Introduced by Division of Foreign Plant Introduction, July 1-Sept. 30, 1931; Nos. 93749-94282. [s.n.], 1933.
Warning: These citations may not always be 100% accurate.