APA (7th ed.) Citation

ESSIG, E. O. (1942). College entomology. The Macmillan Company.

Chicago Style (17th ed.) Citation

ESSIG, E. O. College Entomology. The Macmillan Company, 1942.

MLA (8th ed.) Citation

ESSIG, E. O. College Entomology. The Macmillan Company, 1942.

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