Style de citation APA (7e éd.)

Packard, A. (1880). Guide to insects: And a treatise on those injurious and beneficial to crops for the use of colleges, farm schools and agriculturist (7th edition.). Henry Holt and Company.

Style de citation Chicago (17e éd.)

Packard, A.S. Guide to Insects: And a Treatise on Those Injurious and Beneficial to Crops for the Use of Colleges, Farm Schools and Agriculturist. 7th edition. New Delhi: Henry Holt and Company, 1880.

Style de citation MLA (9e éd.)

Packard, A.S. Guide to Insects: And a Treatise on Those Injurious and Beneficial to Crops for the Use of Colleges, Farm Schools and Agriculturist. 7th edition. Henry Holt and Company, 1880.