United States. Federal Horticultural Board. (1923). Amendment No. 2 to Regulations governing importation of potatoes into U.S. (revised). [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Federal Horticultural Board. Amendment No. 2 to Regulations Governing Importation of Potatoes into U.S. (revised). [Washington]: [publisher not identified], 1923.
MLA (9th ed.) CitationUnited States. Federal Horticultural Board. Amendment No. 2 to Regulations Governing Importation of Potatoes into U.S. (revised). [publisher not identified], 1923.
Warning: These citations may not always be 100% accurate.