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.
Čikaški stil citiranja (17. izdanje)United States. Census Office. 6th Census, 1840, i 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.
MLA način citiranja (8. izdanje)United States. Census Office. 6th Census, 1840, i 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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