Cita APA (7a ed.)

Thoreau, H. D. Walden or, life in the woods and on the Duty of civil disobedience (3a ed.).

Cita Chicago Style (17a ed.)

Thoreau, Henry David. Walden or, Life in the Woods and on the Duty of Civil Disobedience. 3a ed.

Cita MLA (8a ed.)

Thoreau, Henry David. Walden or, Life in the Woods and on the Duty of Civil Disobedience. 3a ed.