Não informado. (1896). Terrestrial Magnetism and Atmospheric Electricity. University of Cincinnati.
Chicago-referens (17:e uppl.)Não informado. Terrestrial Magnetism and Atmospheric Electricity. Cincinnati, Ohio: University of Cincinnati, 1896.
MLA-referens (8:e uppl.)Não informado. Terrestrial Magnetism and Atmospheric Electricity. University of Cincinnati, 1896.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.