United States. Weather Bureau. (1915). Climatological data, Porto Rico section. San Juan, P.R..
Chicago Style (17th ed.) CitationUnited States. Weather Bureau. Climatological Data, Porto Rico Section. [Washington]: San Juan, P.R., 1915.
MLA (9th ed.) CitationUnited States. Weather Bureau. Climatological Data, Porto Rico Section. San Juan, P.R., 1915.
Warning: These citations may not always be 100% accurate.