APA (7e ed.) Bronvermelding

Grivno, M. L. (2011). Gleanings of freedom: Free and slave labor along the Mason-Dixon Line, 1790-1860. University of Illinois Press.

Chicago (17e ed.) Bronvermelding

Grivno, Max L. Gleanings of Freedom: Free and Slave Labor Along the Mason-Dixon Line, 1790-1860. Urbana: University of Illinois Press, 2011.

MLA (9e ed.) Bronvermelding

Grivno, Max L. Gleanings of Freedom: Free and Slave Labor Along the Mason-Dixon Line, 1790-1860. University of Illinois Press, 2011.