United States. Bureau of Plant Industry & Rockwell, J. E. (1904). Visitors' guide to exhibits of Bureau of Plant Industry at Louisiana Purchase Exposition, St. Louis, 1904. U.S. Government Printing Office.
Chicago Style (17th ed.) CitationUnited States. Bureau of Plant Industry and J. E. Rockwell. Visitors' Guide to Exhibits of Bureau of Plant Industry at Louisiana Purchase Exposition, St. Louis, 1904. [Washington, D.C.]: U.S. Government Printing Office, 1904.
MLA (9th ed.) CitationUnited States. Bureau of Plant Industry and J. E. Rockwell. Visitors' Guide to Exhibits of Bureau of Plant Industry at Louisiana Purchase Exposition, St. Louis, 1904. U.S. Government Printing Office, 1904.
Warning: These citations may not always be 100% accurate.