APA (7 ম সংস্করণ) উদ্ধৃতি

United States. Census Office. 6th Census, 1840, & United States. National Archives and Records Service. (1974). 1840 Census schedules of mines, agriculture, commerce, and manufacturing for Massachusetts. National Archives.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

United States. Census Office. 6th Census, 1840, এবং United States. National Archives and Records Service. 1840 Census Schedules of Mines, Agriculture, Commerce, and Manufacturing for Massachusetts. Washington, D.C.: National Archives, 1974.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

United States. Census Office. 6th Census, 1840, এবং United States. National Archives and Records Service. 1840 Census Schedules of Mines, Agriculture, Commerce, and Manufacturing for Massachusetts. National Archives, 1974.