A manual for the study of insects /
by John Henry Comstock ... and Anna Botsford Comstock ... and Glenn W. Herrick.
APA Citation
Comstock, J. Henry., Herrick, G. Washington., Comstock, A. Botsford. (1936). A manual for the study of insects. 21st ed., Ithaca, N.Y.: Comstock publishing company, inc..
MLA Citation
Comstock, John Henry, 1849-1931, Glenn Washington Herrick, and Anna Botsford Comstock. A Manual for the Study of Insects. 21st ed., Ithaca, N.Y.: Comstock publishing company, inc., 1936.
Warning: These citations may not always be complete (especially for serials).