APA (7th ed.) Citation

United States. Department of Labor. (1902). Statistics of cities of 30,000 population or over: Instructions. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Department of Labor. Statistics of Cities of 30,000 Population or over: Instructions. Washington, D.C.: [publisher not identified], 1902.

MLA (9th ed.) Citation

United States. Department of Labor. Statistics of Cities of 30,000 Population or over: Instructions. [publisher not identified], 1902.

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