APA (7 वां संस्करण) प्रशस्ति पत्र

United States. Census Office. 6th Census, 1840, & United States. National Archives and Records Service. (1973). Schedule of mines, agriculture, commerce, manufactures, etc. of 1840 census for ... Louisiana. National Archives.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

United States. Census Office. 6th Census, 1840, और United States. National Archives and Records Service. Schedule of Mines, Agriculture, Commerce, Manufactures, Etc. of 1840 Census for ... Louisiana. Washington, D.C.: National Archives, 1973.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

United States. Census Office. 6th Census, 1840, और United States. National Archives and Records Service. Schedule of Mines, Agriculture, Commerce, Manufactures, Etc. of 1840 Census for ... Louisiana. National Archives, 1973.

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