APA (7th ed.) Citation

United States. Bureau of Foreign and Domestic Commerce. (1929). Radio markets of world, 1928-1929. GPO.

Chicago Style (17th ed.) Citation

United States. Bureau of Foreign and Domestic Commerce. Radio Markets of World, 1928-1929. [Washington]: GPO, 1929.

MLA (9th ed.) Citation

United States. Bureau of Foreign and Domestic Commerce. Radio Markets of World, 1928-1929. GPO, 1929.

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