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MLA

Webber, J.M. "Relationships In the Genus Gossypium As Indicated by Cytological Data." , 237-261.. Print

APA

Webber, J. (0000). Relationships in the Genus Gossypium as Indicated by Cytological Data.

Chicago

Webber, J.M. "Relationships in the Genus Gossypium as Indicated by Cytological Data" (1939): 237-261..