APA

Gordh G., Headrick D. H., . (2001). Dictionary of entomology. New York: CAB International.

Chicago

Gordh G, Headrick D H, . 2001. Dictionary of entomology. New York: CAB International.

Harvard

Gordh G., Headrick D. H., . (2001). Dictionary of entomology. New York: CAB International.

MLA

Gordh G, Headrick D H, . Dictionary of entomology. New York: CAB International. 2001.