Não informado. (1888). Insect life. Department of Agriculture, Division of Entomology.
Chicago-Zitierstil (17. Ausg.)Não informado. Insect Life. Washington: Department of Agriculture, Division of Entomology, 1888.
MLA-Zitierstil (8. Ausg.)Não informado. Insect Life. Department of Agriculture, Division of Entomology, 1888.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.