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MLA

O'Brien, Charles William, United States, and Agricultural Research Service. "A Catalog of the Coleoptera of America North of Mexico : Family: Ithyceridae." , 4. Print

APA

O'Brien, C. William, United States, U. States, & Agricultural Research Service, A. Research Service. (1994). A catalog of the Coleoptera of America north of Mexico : family: Ithyceridae.

Chicago

O'Brien, Charles William, United States, and Agricultural Research Service. "A catalog of the Coleoptera of America north of Mexico : family: Ithyceridae" (1994): 4.