APA引文

United States. Census Office. 7th Census, 1850, & Maine State Archives. (1980). Census schedules for agriculture, industry & social statistics, [1850, Maine]. Maine State Archives.

Chicago Style (17th ed.) Citation

United States. Census Office. 7th Census, 1850, and Maine State Archives. Census Schedules for Agriculture, Industry & Social Statistics, [1850, Maine]. [Augusta, Me.]: Maine State Archives, 1980.

MLA引文

United States. Census Office. 7th Census, 1850, and Maine State Archives. Census Schedules for Agriculture, Industry & Social Statistics, [1850, Maine]. Maine State Archives, 1980.