United States. Agricultural Marketing Service. (1939). Rules and regulations (as amended) of Secretary of Agriculture governing grading and certification of canned fruits and vegetables. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Agricultural Marketing Service. Rules and Regulations (as Amended) of Secretary of Agriculture Governing Grading and Certification of Canned Fruits and Vegetables. [Washington]: [s.n.], 1939.
MLA (9th ed.) CitationUnited States. Agricultural Marketing Service. Rules and Regulations (as Amended) of Secretary of Agriculture Governing Grading and Certification of Canned Fruits and Vegetables. [s.n.], 1939.
Warning: These citations may not always be 100% accurate.