APA (7th ed.) Citation

United States. Weather Bureau. (1917). Weather code for West Indian and Caribbean Sea observers. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Weather Bureau. Weather Code for West Indian and Caribbean Sea Observers. Washington: U.S. GPO, 1917.

MLA (9th ed.) Citation

United States. Weather Bureau. Weather Code for West Indian and Caribbean Sea Observers. U.S. GPO, 1917.

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