United States. Dept. of Agriculture, United States. Science and Education Administration, & United States. Extension Service. (1978). Extension review. Science and Education Administration : Supt. of Docs., U.S. G.P.O., distributor.
Цитирование в стиле Чикаго (17-е изд.)United States. Dept. of Agriculture, United States. Science and Education Administration, и United States. Extension Service. Extension Review. [Washington, D.C.: Science and Education Administration : Supt. of Docs., U.S. G.P.O., distributor, 1978.
Цитирование MLA (8-е изд.)United States. Dept. of Agriculture, et al. Extension Review. Science and Education Administration : Supt. of Docs., U.S. G.P.O., distributor, 1978.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.