Cita APA (7th ed.)
Thoreau, H. D. (1983). Walden ; and, Civil disobedience. Penguin Books.
Cita Chicago (17th ed.)
Thoreau, Henry David. Walden ; and, Civil Disobedience. Harmondsworth, Middlesex, England ; New York, N.Y.: Penguin Books, 1983.
Cita MLA (9th ed.)
Thoreau, Henry David. Walden ; and, Civil Disobedience. Penguin Books, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.