Moore, R. J., & Frankton, C. (1969). Cytotaxonomy of some Cirsium species of the eastern United States, with a key to eastern species. [Canada]: [National Research Council].
Chicago Style CitationMoore, Raymond J., and Clarence Frankton. Cytotaxonomy of Some Cirsium Species of the Eastern United States, With a Key to Eastern Species. [Canada]: [National Research Council], 1969.
MLA CitationMoore, Raymond J., and Clarence Frankton. Cytotaxonomy of Some Cirsium Species of the Eastern United States, With a Key to Eastern Species. [Canada]: [National Research Council], 1969.
Warning: These citations may not always be 100% accurate.