United States. Weather Bureau & United States. Joint Meteorological Committee. Daily synoptic series, historical weather maps. U.S. Weather Bureau.
Chicago-Zitierstil (17. Ausg.)United States. Weather Bureau und United States. Joint Meteorological Committee. Daily Synoptic Series, Historical Weather Maps. Washington, D.C.: U.S. Weather Bureau.
MLA-Zitierstil (8. Ausg.)United States. Weather Bureau und United States. Joint Meteorological Committee. Daily Synoptic Series, Historical Weather Maps. U.S. Weather Bureau.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.