Não informado. (1882). Proceedings of the Biological Society of Washington. Biological Society of Washington.
Chicago-referens (17:e uppl.)Não informado. Proceedings of the Biological Society of Washington. Washington: Biological Society of Washington, 1882.
MLA-referens (8:e uppl.)Não informado. Proceedings of the Biological Society of Washington. Biological Society of Washington, 1882.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.