APA

Gambino C. P., Trevelyan E. N., Fitzwater J. T., U.S. Census Bureau & American Community Survey (U.S.). (2014). Foreign-born population from Africa, 2008-2012. [Washington, D.C.]: U.S. Department of Commerce, Economic and Statistics Administration, U.S. Census Bureau.

Chicago

Gambino Christine P, Trevelyan Edward N, Fitzwater John Thomas, U.S. Census Bureau and American Community Survey (U.S.). 2014. Foreign-born population from Africa, 2008-2012. [Washington, D.C.]: U.S. Department of Commerce, Economic and Statistics Administration, U.S. Census Bureau.

Harvard

Gambino C. P., Trevelyan E. N., Fitzwater J. T., U.S. Census Bureau and American Community Survey (U.S.). (2014). Foreign-born population from Africa, 2008-2012. [Washington, D.C.]: U.S. Department of Commerce, Economic and Statistics Administration, U.S. Census Bureau.

MLA

Gambino Christine P, Trevelyan Edward N, Fitzwater John Thomas, U.S. Census Bureau and American Community Survey (U.S.). Foreign-born population from Africa, 2008-2012. [Washington, D.C.]: U.S. Department of Commerce, Economic and Statistics Administration, U.S. Census Bureau. 2014.