APA

Thoreau H. D., Thoreau H. D. & Thomas O. P. (1960). Walden or, Life in the Woods and On the Duty of Civil Disobedience. New York: W. W. Norton.

Chicago

Thoreau Henry David, Thoreau Henry David and Thomas Owen Paul. 1960. Walden or, Life in the Woods and On the Duty of Civil Disobedience. New York: W. W. Norton.

Harvard

Thoreau H. D., Thoreau H. D. and Thomas O. P. (1960). Walden or, Life in the Woods and On the Duty of Civil Disobedience. New York: W. W. Norton.

MLA

Thoreau Henry David, Thoreau Henry David and Thomas Owen Paul. Walden or, Life in the Woods and On the Duty of Civil Disobedience. New York: W. W. Norton. 1960.