APA-referens (7:e uppl.)
Buccola, N. (2012). The political thought of Frederick Douglass: In pursuit of American liberty. New York University Press.
Chicago-referens (17:e uppl.)
Buccola, Nicholas. The Political Thought of Frederick Douglass: In Pursuit of American Liberty. New York: New York University Press, 2012.
MLA-referens (9:e uppl.)
Buccola, Nicholas. The Political Thought of Frederick Douglass: In Pursuit of American Liberty. New York University Press, 2012.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.