United States. Bureau of Foreign and Domestic Commerce & ProQuest (Firm). (1922). Statistical abstract of the United States 1921. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Bureau of Foreign and Domestic Commerce and ProQuest (Firm). Statistical Abstract of the United States 1921. Washington: [publisher not identified], 1922.
MLA (9th ed.) CitationUnited States. Bureau of Foreign and Domestic Commerce and ProQuest (Firm). Statistical Abstract of the United States 1921. [publisher not identified], 1922.
Warning: These citations may not always be 100% accurate.