MLA

John L. Capinera, Ralph D. Scott, and Thomas J. Walker. Field Guide to Grasshoppers, Katydids, and Crickets of the United States. Ithaca, NY: Comstock, 2004.

APA

John L. Capinera, J. L. Capinera, Ralph D. Scott, R. D. Scott, & Thomas J. Walker, T. J. Walker. (2004). Field Guide to Grasshoppers, Katydids, and Crickets of the United States. Ithaca, NY: Comstock.

Chicago

John L. Capinera, Ralph D. Scott, and Thomas J. Walker. Field Guide to Grasshoppers, Katydids, and Crickets of the United States. : Ithaca, NY: Comstock, 2004.