United States. Department of State. English teaching forum. U.S. Dept. of State : Supt. of Docs., U.S. G.P.O. [distributor].
Цитирование в стиле Чикаго (17-е изд.)United States. Department of State. English Teaching Forum. Washington, D.C.: U.S. Dept. of State : Supt. of Docs., U.S. G.P.O. [distributor].
Цитирование MLA (9-е изд.)United States. Department of State. English Teaching Forum. U.S. Dept. of State : Supt. of Docs., U.S. G.P.O. [distributor].
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.