United States. Weather Bureau. (1912). Porto Rico section of Climatological Service of Weather Bureau. Boston, Mass..
Chicago Style (17th ed.) CitationUnited States. Weather Bureau. Porto Rico Section of Climatological Service of Weather Bureau. [Washington]: Boston, Mass., 1912.
MLA (9th ed.) CitationUnited States. Weather Bureau. Porto Rico Section of Climatological Service of Weather Bureau. Boston, Mass., 1912.
Warning: These citations may not always be 100% accurate.