United States. Bureau of Foreign and Domestic Commerce. (1920). Statistical abstract of the United States. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Bureau of Foreign and Domestic Commerce. Statistical Abstract of the United States. Washington: [publisher not identified], 1920.
MLA (9th ed.) CitationUnited States. Bureau of Foreign and Domestic Commerce. Statistical Abstract of the United States. [publisher not identified], 1920.
Warning: These citations may not always be 100% accurate.