APA Edition Citation

Essig, E. O. (1972). History of entomology. Hafner.

Chicago Edition Citation

Essig, E O. History of Entomology. New York: Hafner, 1972.

MLA Edition Citation

Essig, E O. History of Entomology. Hafner, 1972.

Warning: These citations may not always be 100% accurate.