Thoreau, H. D., & Bradbury, P. (1981). Walden (Unabridged.). Recorded Books Inc..
Cita Chicago Style (17a ed.)Thoreau, Henry David, y Pete Bradbury. Walden. Unabridged. Prince Frederick: Recorded Books Inc., 1981.
Cita MLA (8a ed.)Thoreau, Henry David, y Pete Bradbury. Walden. Unabridged. Recorded Books Inc., 1981.
Precaución: Estas citas no son 100% exactas.