APA (7th ed.) Citation

Powell, J. A. (1973). A systematic monograph of New World Ethmiid moths (Lepidoptera: Gelechioidea). Smithsonian Institution Press.

Chicago Style (17th ed.) Citation

Powell, Jerry A. A Systematic Monograph of New World Ethmiid Moths (Lepidoptera: Gelechioidea). Washington, D.C.: Smithsonian Institution Press, 1973.

MLA (9th ed.) Citation

Powell, Jerry A. A Systematic Monograph of New World Ethmiid Moths (Lepidoptera: Gelechioidea). Smithsonian Institution Press, 1973.