United States. Federal Horticultural Board. (1914). Rules and regulations under Plant Quarantine Act: Interstate movement of potatoes from areas quarantined for powdery scab. GPO.
Chicago Style (17th ed.) CitationUnited States. Federal Horticultural Board. Rules and Regulations Under Plant Quarantine Act: Interstate Movement of Potatoes from Areas Quarantined for Powdery Scab. [Washington]: GPO, 1914.
MLA (9th ed.) CitationUnited States. Federal Horticultural Board. Rules and Regulations Under Plant Quarantine Act: Interstate Movement of Potatoes from Areas Quarantined for Powdery Scab. GPO, 1914.
Warning: These citations may not always be 100% accurate.