A manual for the study of insects
by John Henry Comstock and Anna Botsford Comstock.

APA Citation

Comstock, J. Henry., Comstock, A. Botsford., Comstock, A. Botsford. (1897). A manual for the study of insects. 2d ed. Ithaca, N. Y.: Comstock Pub. Co..

MLA Citation

Comstock, John Henry, 1849-1931, Anna Botsford Comstock, and Anna Botsford Comstock. A Manual for the Study of Insects. 2d ed. Ithaca, N. Y.: Comstock Pub. Co., 1897.

Warning: These citations may not always be complete (especially for serials).