United States. Department of Commerce. (1930). Correction in "Door Series Circular No. 8-A, Lumber Division, June 3, 1930," subject "English and American, Russian and Swedish doors compete in United Kingdom". [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Department of Commerce. Correction in "Door Series Circular No. 8-A, Lumber Division, June 3, 1930," Subject "English and American, Russian and Swedish Doors Compete in United Kingdom". [Washington]: [publisher not identified], 1930.
MLA (9th ed.) CitationUnited States. Department of Commerce. Correction in "Door Series Circular No. 8-A, Lumber Division, June 3, 1930," Subject "English and American, Russian and Swedish Doors Compete in United Kingdom". [publisher not identified], 1930.