United States. Bureau of Animal Industry. (1939). Studies on development of pigeon capillarid, Capillaria columbae. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of Animal Industry. Studies on Development of Pigeon Capillarid, Capillaria Columbae. [Washington]: [s.n.], 1939.
MLA (9th ed.) CitationUnited States. Bureau of Animal Industry. Studies on Development of Pigeon Capillarid, Capillaria Columbae. [s.n.], 1939.
Warning: These citations may not always be 100% accurate.