(1955). Sixty- year weather forecasts. Smithsonian Institution.
Cita Chicago Style (17a ed.)Sixty- Year Weather Forecasts. Washington, D. C: Smithsonian Institution, 1955.
Cita MLA (9a ed.)Sixty- Year Weather Forecasts. Smithsonian Institution, 1955.
Precaución: Estas citas no son 100% exactas.