Cita APA (7a ed.)

Thoreau, H. D., Hovde, C., Howarth, W. L., & Witherell, E. H. (2004). A week on the Concord and Merrimack rivers. Princeton University Press.

Cita Chicago Style (17a ed.)

Thoreau, Henry David, Carl Hovde, William L. Howarth, y Elizabeth Hall Witherell. A Week on the Concord and Merrimack Rivers. Princeton, N.J. ; Oxford: Princeton University Press, 2004.

Cita MLA (8a ed.)

Thoreau, Henry David, et al. A Week on the Concord and Merrimack Rivers. Princeton University Press, 2004.