Style de citation APA (7e éd.)

Harding, W. R. (1992). The days of Henry Thoreau: A biography (Princeton Pbk. ed.). Princeton University Press.

Style de citation Chicago (17e éd.)

Harding, Walter Roy. The Days of Henry Thoreau: A Biography. Princeton Pbk. ed. Princeton, N.J.: Princeton University Press, 1992.

Style de citation MLA (8e éd.)

Harding, Walter Roy. The Days of Henry Thoreau: A Biography. Princeton Pbk. ed. Princeton University Press, 1992.