Pan American Union. (1924). Costa Rica, general descriptive data. U.S. GPO.
Chicago Style (17th ed.) CitationPan American Union. Costa Rica, General Descriptive Data. Washington: U.S. GPO, 1924.
MLA (9th ed.) CitationPan American Union. Costa Rica, General Descriptive Data. U.S. GPO, 1924.
Warning: These citations may not always be 100% accurate.