United States. Bureau of Entomology and Plant Quarantine. (1937). Methods for fixing and preservation, for exhibit purposes, of natural green color, of pea plants and pods. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of Entomology and Plant Quarantine. Methods for Fixing and Preservation, for Exhibit Purposes, of Natural Green Color, of Pea Plants and Pods. [Washington]: [s.n.], 1937.
MLA (9th ed.) CitationUnited States. Bureau of Entomology and Plant Quarantine. Methods for Fixing and Preservation, for Exhibit Purposes, of Natural Green Color, of Pea Plants and Pods. [s.n.], 1937.
Warning: These citations may not always be 100% accurate.