APA (7th ed.) Citation

U.S. Citizenship and Immigration Services. (2012). Tarjetas de educación cívica para el examen de naturalizacíon. U.S. Dept. of Homeland Security, U.S. Citizenship and Immigration Services : For sale by the Supt. of Docs., U.S. G.P.O..

Chicago Style (17th ed.) Citation

U.S. Citizenship and Immigration Services. Tarjetas De Educación Cívica Para El Examen De Naturalizacíon. [Washington, D.C.]: U.S. Dept. of Homeland Security, U.S. Citizenship and Immigration Services : For sale by the Supt. of Docs., U.S. G.P.O., 2012.

MLA (8th ed.) Citation

U.S. Citizenship and Immigration Services. Tarjetas De Educación Cívica Para El Examen De Naturalizacíon. U.S. Dept. of Homeland Security, U.S. Citizenship and Immigration Services : For sale by the Supt. of Docs., U.S. G.P.O., 2012.

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