APA (7th ed.) Citation

United States. Weather Bureau. (1922). Mean relative humidity, January, 8 a.m., 75th meridian time. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Weather Bureau. Mean Relative Humidity, January, 8 A.m., 75th Meridian Time. Washington: [publisher not identified], 1922.

MLA (9th ed.) Citation

United States. Weather Bureau. Mean Relative Humidity, January, 8 A.m., 75th Meridian Time. [publisher not identified], 1922.

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