On the duty of civil disobedience.

MLA

Thoreau, Henry David. On the Duty of Civil Disobedience. 4th. repr. London: Housmans, 1980.

APA

Thoreau, H. David. (1980). On the duty of civil disobedience. 4th. repr. London: Housmans.

Chicago

Thoreau, Henry David On the Duty of Civil Disobedience. 4th. repr. London: Housmans, 1980.