APA (7th ed.) Citation

United States. Weather Bureau. (1919). Climatological data, Porto Rico section. San Juan, P.R..

Chicago Style (17th ed.) Citation

United States. Weather Bureau. Climatological Data, Porto Rico Section. [Washington]: San Juan, P.R., 1919.

MLA (9th ed.) Citation

United States. Weather Bureau. Climatological Data, Porto Rico Section. San Juan, P.R., 1919.

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