APA-ийн эшлэл(7 дахь хэвлэлт)

Buccola, N. (2012). The political thought of Frederick Douglass: In pursuit of American liberty. New York University Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Buccola, Nicholas. The Political Thought of Frederick Douglass: In Pursuit of American Liberty. New York: New York University Press, 2012.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Buccola, Nicholas. The Political Thought of Frederick Douglass: In Pursuit of American Liberty. New York University Press, 2012.