United States. Soil Conservation Service. Soil survey of Natchitoches Parish, Louisiana. Ill., maps (some col.).
Chicago Style (17th ed.) CitationUnited States. Soil Conservation Service. Soil Survey of Natchitoches Parish, Louisiana. Vii, 193 p., [3], 113 folded p. of plates: Ill., maps (some col.).
MLA (9th ed.) CitationUnited States. Soil Conservation Service. Soil Survey of Natchitoches Parish, Louisiana. Ill., maps (some col.).
Warning: These citations may not always be 100% accurate.