United States. Bureau of Plant Quarantine. (1933). Summary of State and Territorial Plant Quarantines Affecting Interstate Shipments, Apr. 1933 Revisions. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of Plant Quarantine. Summary of State and Territorial Plant Quarantines Affecting Interstate Shipments, Apr. 1933 Revisions. [Washington]: [s.n.], 1933.
MLA (9th ed.) CitationUnited States. Bureau of Plant Quarantine. Summary of State and Territorial Plant Quarantines Affecting Interstate Shipments, Apr. 1933 Revisions. [s.n.], 1933.
Warning: These citations may not always be 100% accurate.