Comstock, J. H. 1., Comstock, A. B., & Herrick, G. W. (1938). A manual for the study of insects (22. edition rev.). Ithaca, N.Y.: Comstock.
Chicago Style CitationComstock, John Henry 1849-1931, Anna Botsford Comstock, and Glenn W. Herrick. A Manual for the Study of Insects. 22. edition rev. Ithaca, N.Y.: Comstock, 1938.
MLA CitationComstock, John Henry 1849-1931, Anna Botsford Comstock, and Glenn W. Herrick. A Manual for the Study of Insects. 22. edition rev. Ithaca, N.Y.: Comstock, 1938.
Warning: These citations may not always be 100% accurate.