APA Style
Northup, Solomon. (1970).
Twelve Years a Slave (Northup, Solomon).
United States:
Dover Publications, Inc..
Chicago Style
Northup, Solomon.
Twelve Years a Slave.
Northup, Solomon
United States:
Dover Publications, Inc.,
1970.
Text.
MLA Style
Northup, Solomon.
Twelve Years a Slave.
Northup, Solomon
United States:
Dover Publications, Inc.,
1970.
Text.
Turabian Style
Northup, Solomon.
Twelve Years a Slave.
Northup, Solomon
United States:
Dover Publications, Inc.,
1970.
Print.