United States. Bureau of Plant Industry. (1938). Plant material introduced by Division of Plant Exploration and Introduction, Oct. 1-Dec. 31, 1934; nos. 106561-107747. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of Plant Industry. Plant Material Introduced by Division of Plant Exploration and Introduction, Oct. 1-Dec. 31, 1934; Nos. 106561-107747. [Washington]: [s.n.], 1938.
MLA (9th ed.) CitationUnited States. Bureau of Plant Industry. Plant Material Introduced by Division of Plant Exploration and Introduction, Oct. 1-Dec. 31, 1934; Nos. 106561-107747. [s.n.], 1938.
Warning: These citations may not always be 100% accurate.