United States. Bureau of Labor Statistics & ProQuest (Firm). (1923). Building permits in the principal cities of the United States in 1921. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Bureau of Labor Statistics and ProQuest (Firm). Building Permits in the Principal Cities of the United States in 1921. Washington: [publisher not identified], 1923.
MLA (9th ed.) CitationUnited States. Bureau of Labor Statistics and ProQuest (Firm). Building Permits in the Principal Cities of the United States in 1921. [publisher not identified], 1923.
Warning: These citations may not always be 100% accurate.