Cita APA (7th ed.)

Thoreau, H. D. Walden and civil disobedience. s.n.].

Cita Chicago (17th ed.)

Thoreau, Henry David. Walden and Civil Disobedience. [s.l: s.n.].

Cita MLA (9th ed.)

Thoreau, Henry David. Walden and Civil Disobedience. s.n.].