United States. Bureau of Plant Industry & Beattie, W. R. (1928). Growing and marketing seven-top turnip greens. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Bureau of Plant Industry and W. R. Beattie. Growing and Marketing Seven-top Turnip Greens. Washington: [publisher not identified], 1928.
MLA (9th ed.) CitationUnited States. Bureau of Plant Industry and W. R. Beattie. Growing and Marketing Seven-top Turnip Greens. [publisher not identified], 1928.
Warning: These citations may not always be 100% accurate.