Essig, E. O. (1958). Insects and mites of western North America: A manual and textbook for students in colleges and universities and a handbook for county, State, and Federal entomologists and agriculturists as well as for foresters, farmers, gardeners, travelers, and students of nature (Second edition.). Macmillan.
Chicago Style (17th ed.) CitationEssig, E. O. Insects and Mites of Western North America: A Manual and Textbook for Students in Colleges and Universities and a Handbook for County, State, and Federal Entomologists and Agriculturists as Well as for Foresters, Farmers, Gardeners, Travelers, and Students of Nature. Second edition. New York: Macmillan, 1958.
MLA (9th ed.) CitationEssig, E. O. Insects and Mites of Western North America: A Manual and Textbook for Students in Colleges and Universities and a Handbook for County, State, and Federal Entomologists and Agriculturists as Well as for Foresters, Farmers, Gardeners, Travelers, and Students of Nature. Second edition. Macmillan, 1958.