APA (7th ed.) Citation

(2006). Estimates of the nonimmigrant population in the United States. U.S. Department of Homeland Security, Office of Immigration Statistics.

Chicago Style (17th ed.) Citation

Estimates of the Nonimmigrant Population in the United States. [Washington, D.C.]: U.S. Department of Homeland Security, Office of Immigration Statistics, 2006.

MLA (9th ed.) Citation

Estimates of the Nonimmigrant Population in the United States. U.S. Department of Homeland Security, Office of Immigration Statistics, 2006.