Cita APA (7a ed.)

Comstock, J. H. (1940). An Introduction to Entomology (19a.ed.). Comstock Publ. Co..

Cita Chicago Style (17a ed.)

Comstock, John Henry. An Introduction to Entomology. 19a.ed. New York: Comstock Publ. Co., 1940.

Cita MLA (8a ed.)

Comstock, John Henry. An Introduction to Entomology. 19a.ed. Comstock Publ. Co., 1940.