United States. Bureau of Entomology and Plant Quarantine. (1937). Methods of propagating Ribes in nutrient solution for use as test plants. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of Entomology and Plant Quarantine. Methods of Propagating Ribes in Nutrient Solution for Use as Test Plants. [Washington]: [s.n.], 1937.
MLA (9th ed.) CitationUnited States. Bureau of Entomology and Plant Quarantine. Methods of Propagating Ribes in Nutrient Solution for Use as Test Plants. [s.n.], 1937.
Warning: These citations may not always be 100% accurate.