APA (7th ed.) Citation

Thoreau, H. D. (1960). Walden or, life in the woods. New American Library.

Chicago Style (17th ed.) Citation

Thoreau, Henry David. Walden or, Life in the Woods. Nueva York: New American Library, 1960.

MLA (9th ed.) Citation

Thoreau, Henry David. Walden or, Life in the Woods. New American Library, 1960.