APA (7th ed.) Citation

(1969). Solar-Geophysical data. U.S. Department of Commerce.

Chicago Style (17th ed.) Citation

Solar-Geophysical Data. Washington, D.C: U.S. Department of Commerce, 1969.

MLA (9th ed.) Citation

Solar-Geophysical Data. U.S. Department of Commerce, 1969.

Warning: These citations may not always be 100% accurate.