United States. Agricultural Research Service & Reed, C. F. (1971). Common weeds of the United States. Dover Publications.
Chicago Style (17th ed.) CitationUnited States. Agricultural Research Service and Clyde Franklin Reed. Common Weeds of the United States. New York: Dover Publications, 1971.
MLA (9th ed.) CitationUnited States. Agricultural Research Service and Clyde Franklin Reed. Common Weeds of the United States. Dover Publications, 1971.
Warning: These citations may not always be 100% accurate.