United States. Bureau of Plant Industry. (1933). Relation of leaf area and position to quality of fruit and to bud differentiation in apples. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of Plant Industry. Relation of Leaf Area and Position to Quality of Fruit and to Bud Differentiation in Apples. [Washington]: [s.n.], 1933.
MLA (9th ed.) CitationUnited States. Bureau of Plant Industry. Relation of Leaf Area and Position to Quality of Fruit and to Bud Differentiation in Apples. [s.n.], 1933.
Warning: These citations may not always be 100% accurate.