Boman, D. K. (2006). Lincoln's resolute unionist: Hamilton Gamble, Dred Scott dissenter and Missouri's Civil War governor. Louisiana University Press.
Citazione stile Chigago Style (17a edizione)Boman, Dennis K. Lincoln's Resolute Unionist: Hamilton Gamble, Dred Scott Dissenter and Missouri's Civil War Governor. Baton Rouge: Louisiana University Press, 2006.
Citatione MLA (9a ed.)Boman, Dennis K. Lincoln's Resolute Unionist: Hamilton Gamble, Dred Scott Dissenter and Missouri's Civil War Governor. Louisiana University Press, 2006.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.