Não informado. (1890). Entomological News and Proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia. Academy of Natural Sciences of Philadelphia, Entomological Section.
Chicago-referens (17:e uppl.)Não informado. Entomological News and Proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia. Philadelphia, Pa: Academy of Natural Sciences of Philadelphia, Entomological Section, 1890.
MLA-referens (8:e uppl.)Não informado. Entomological News and Proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia. Academy of Natural Sciences of Philadelphia, Entomological Section, 1890.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.