APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.