APA-viite (7. p.)
Campbell, S. W. (1970). The slave catchers: Enforcement of the Fugitive slave law, 1850-1860. University of North Carolina Press.
Chicago-viite (17. p.)
Campbell, Stanley W. The Slave Catchers: Enforcement of the Fugitive Slave Law, 1850-1860. Chapel Hill: University of North Carolina Press, 1970.
MLA-viite (9. p.)
Campbell, Stanley W. The Slave Catchers: Enforcement of the Fugitive Slave Law, 1850-1860. University of North Carolina Press, 1970.
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