Needham, J. G. 1., Heywood, M. H. B., & Heywood, H. B. (1929). A handbook of the dragonflies of North America. Sringfield, Ill., Baltimore, Md.: C.C. Thomas.
Chicago Style CitationNeedham, James G. 1868-1957., Mrs. Hortense Butler Heywood, and Hortense Butler Heywood. A Handbook of the Dragonflies of North America. Sringfield, Ill., Baltimore, Md.: C.C. Thomas, 1929.
MLA CitationNeedham, James G. 1868-1957., Mrs. Hortense Butler Heywood, and Hortense Butler Heywood. A Handbook of the Dragonflies of North America. Sringfield, Ill., Baltimore, Md.: C.C. Thomas, 1929.
Warning: These citations may not always be 100% accurate.