United States. Bureau of Plant Industry. (1939). Bud℗Ư-graft method of propagating vinifera grape varieties on root℗Ưstocks. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of Plant Industry. Bud℗Ư-graft Method of Propagating Vinifera Grape Varieties on Root℗Ưstocks. [Washington]: [s.n.], 1939.
MLA (9th ed.) CitationUnited States. Bureau of Plant Industry. Bud℗Ư-graft Method of Propagating Vinifera Grape Varieties on Root℗Ưstocks. [s.n.], 1939.
Warning: These citations may not always be 100% accurate.