APA Edition Citation

Comstock, J. H. (1984). An introduction to entomology (Ed.9.).

Chicago Edition Citation

Comstock, John Henry. An Introduction to Entomology. Ed.9. Agra, Satish Book Enterprise, 1984.

MLA Edition Citation

Comstock, John Henry. An Introduction to Entomology. Ed.9. 1984.

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