Leff, D. K. (2009). Deep Travel: In Thoreau's Wake on the Concord and Merrimack. University of Iowa Press.
Cita Chicago Style (17a ed.)Leff, David K. Deep Travel: In Thoreau's Wake on the Concord and Merrimack. Iowa City: University of Iowa Press, 2009.
Cita MLA (8a ed.)Leff, David K. Deep Travel: In Thoreau's Wake on the Concord and Merrimack. University of Iowa Press, 2009.
Precaución: Estas citas no son 100% exactas.