Vollman, R. F. (1969). Down's syndrome (Mongolism): A reference bibliography. U.S. National Institutes of Health; [for sale by the Supt. of Docs., U.S. Govt. Print. Off., Washington].
Цитирование в стиле Чикаго (17-е изд.)Vollman, Rudolf F. Down's Syndrome (Mongolism): A Reference Bibliography. Bethesda, Md.: U.S. National Institutes of Health; [for sale by the Supt. of Docs., U.S. Govt. Print. Off., Washington], 1969.
Цитирование MLA (8-е изд.)Vollman, Rudolf F. Down's Syndrome (Mongolism): A Reference Bibliography. U.S. National Institutes of Health; [for sale by the Supt. of Docs., U.S. Govt. Print. Off., Washington], 1969.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.