APA (7th ed.) Citation

Packard, A. S. (1869). Guide to the study of insects: And a treatise on those injurious and beneficial to crops, for the use of colleges, farm-schools and agriculturalists. --. Naturalist's book agency.

Chicago Style (17th ed.) Citation

Packard, A. S. Guide to the Study of Insects: And a Treatise on Those Injurious and Beneficial to Crops, for the Use of Colleges, Farm-schools and Agriculturalists. --. Salem: Naturalist's book agency, 1869.

MLA (9th ed.) Citation

Packard, A. S. Guide to the Study of Insects: And a Treatise on Those Injurious and Beneficial to Crops, for the Use of Colleges, Farm-schools and Agriculturalists. --. Naturalist's book agency, 1869.