APA (7th ed.) Citation

United States. Weather Bureau. (1920). National weather and crop bulletin. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Weather Bureau. National Weather and Crop Bulletin. [Washington]: [publisher not identified], 1920.

MLA (9th ed.) Citation

United States. Weather Bureau. National Weather and Crop Bulletin. [publisher not identified], 1920.

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