Comstock, J. H. (1948). The spider book: A manual for the study of the spiders and their near relatives, the scorpions, pseudoscorpions, whip-scorpions, harvestmen, and other members of the class Arachnida, found in America north of Mexico, with analytical keys for their classification and popular accounts of their habits QL457.1 (Rev. and ed. by W. J. Gertsch.). Comstock Publishing.
Chicago Style (17th ed.) CitationComstock, John Henry. The Spider Book: A Manual for the Study of the Spiders and Their Near Relatives, the Scorpions, Pseudoscorpions, Whip-scorpions, Harvestmen, and Other Members of the Class Arachnida, Found in America North of Mexico, with Analytical Keys for Their Classification and Popular Accounts of Their Habits QL457.1. Rev. and ed. by W. J. Gertsch. Ithaca, N.Y: Comstock Publishing, 1948.
MLA (9th ed.) CitationComstock, John Henry. The Spider Book: A Manual for the Study of the Spiders and Their Near Relatives, the Scorpions, Pseudoscorpions, Whip-scorpions, Harvestmen, and Other Members of the Class Arachnida, Found in America North of Mexico, with Analytical Keys for Their Classification and Popular Accounts of Their Habits QL457.1. Rev. and ed. by W. J. Gertsch. Comstock Publishing, 1948.