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MLA

Wirth, Willis Wagner, and Robert H Jones. "The North American Subspecies of Culicoides Variipennis (diptera, Heleidae)." , 35. Print

APA

Wirth, W. Wagner, & Jones, R. H. (1957). The North American subspecies of Culicoides variipennis (Diptera, heleidae).

Chicago

Wirth, Willis Wagner, and Robert H Jones. "The North American subspecies of Culicoides variipennis (Diptera, heleidae)" (0000): 35.