A manual of the study of insects /
by John Henry Comstock and Anna Botsford Comstock.
APA Citation
Comstock, J. Henry., Comstock, A. Botsford. (1916). A manual of the study of insects. 14th ed. -- Ithaca, N. Y.: Comstock Pub. Co..
MLA Citation
Comstock, John Henry, 1849-1931, and Anna Botsford Comstock. A Manual of the Study of Insects. 14th ed. -- Ithaca, N. Y.: Comstock Pub. Co., 1916.
Warning: These citations may not always be complete (especially for serials).