APA (7th ed.) Citation

Hardwick, D. F. (1996). A monograph to the North American Heliothentinae (Lepidoptera: Noctuidae). [D.F. Hardwick].

Chicago Style (17th ed.) Citation

Hardwick, David Francis. A Monograph to the North American Heliothentinae (Lepidoptera: Noctuidae). [Ottawa, Ont.]: [D.F. Hardwick], 1996.

MLA (9th ed.) Citation

Hardwick, David Francis. A Monograph to the North American Heliothentinae (Lepidoptera: Noctuidae). [D.F. Hardwick], 1996.