Citazione Stile APA (7a Edizione)

Thoreau, H. D. On the duty of civil disobedience. Fifield.

Citazione stile Chigago Style (17a edizione)

Thoreau, Henry David. On the Duty of Civil Disobedience. London: Fifield.

Citatione MLA (9a ed.)

Thoreau, Henry David. On the Duty of Civil Disobedience. Fifield.