APA-referens

Packard, A. S. (1987). Treatise on injurious and beneficial insects to crops (2.). Logos Press.

Chicago-stil citat

Packard, A S. Treatise on Injurious and Beneficial Insects to Crops. 2. New delhi: Logos Press, 1987.

MLA-referens

Packard, A S. Treatise on Injurious and Beneficial Insects to Crops. 2. Logos Press, 1987.