Παραπομπή σε μορφή APA (7η εκδ.)

United States. Census Office. 7th Census, 1850, & Vermont. Public Records Division. (1850). Seventh census of the United States: Original returns of the assistant marshals : fourth series : agricultural production by counties.

Παραπομπή σε μορφή Chicago (17η εκδ.)

United States. Census Office. 7th Census, 1850, και Vermont. Public Records Division. Seventh Census of the United States: Original Returns of the Assistant Marshals : Fourth Series : Agricultural Production by Counties. 1850.

Παραπομπή σε μορφή MLA (8th εκδ.)

United States. Census Office. 7th Census, 1850, και Vermont. Public Records Division. Seventh Census of the United States: Original Returns of the Assistant Marshals : Fourth Series : Agricultural Production by Counties. 1850.