Cita APA (7a ed.)

United States. Weather Bureau. (1960). Daily 100-millibar and 50-millibar and three times monthly 30-millibar synoptic weather maps of the IGY period. Weather Bureau, U.S. Dept. of Commerce.

Cita Chicago Style (17a ed.)

United States. Weather Bureau. Daily 100-millibar and 50-millibar and Three Times Monthly 30-millibar Synoptic Weather Maps of the IGY Period. Washington, D.C.: Weather Bureau, U.S. Dept. of Commerce, 1960.

Cita MLA (9a ed.)

United States. Weather Bureau. Daily 100-millibar and 50-millibar and Three Times Monthly 30-millibar Synoptic Weather Maps of the IGY Period. Weather Bureau, U.S. Dept. of Commerce, 1960.