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MLA

Powell, Jerry A, et al. "Nearctic Pine Tip Moths of the Genus Rhyacionia : Biosystematic Review (lepidoptera: Tortricidae, Olethreutinae)." , p.. Print

APA

Powell, J. A, Miller, W. E, United States, U. States, & Forest Service, F. Service. (1978). Nearctic pine tip moths of the genus Rhyacionia : biosystematic review (Lepidoptera: Tortricidae, Olethreutinae).

Chicago

Powell, Jerry A., William E Miller, United States, and Forest Service. "Nearctic pine tip moths of the genus Rhyacionia : biosystematic review (Lepidoptera: Tortricidae, Olethreutinae)" (1978): p..