Цитирование APA (7-е изд.)

U.S. Citizenship and Immigration Services. (2012). Civics flash cards for the naturalization test (Rev. 02, 2102.). U.S. Dept. of Homeland Security, U.S. Citizenship and Immigration Services : For sale by the Supt. of Docs., U.S. G.P.O..

Цитирование в стиле Чикаго (17-е изд.)

U.S. Citizenship and Immigration Services. Civics Flash Cards for the Naturalization Test. Rev. 02, 2102. [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.

Цитирование MLA (8-е изд.)

U.S. Citizenship and Immigration Services. Civics Flash Cards for the Naturalization Test. Rev. 02, 2102. 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.

Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.