APA

United States, .Distribution of occupational employment in states and areas by race and sex. [Washington, D.C.]: U.S. Department of Labor, Bureau of Labor Statistics.

Chicago

United States, .Distribution of occupational employment in states and areas by race and sex. [Washington, D.C.]: U.S. Department of Labor, Bureau of Labor Statistics.

Harvard

United States, .Distribution of occupational employment in states and areas by race and sex. [Washington, D.C.]: U.S. Department of Labor, Bureau of Labor Statistics.

MLA

United States, .[Washington, D.C.]: U.S. Department of Labor, Bureau of Labor Statistics. .