APA (7th ed.) Citation

Emerson, R. W., Rusk, L., & Tilton, E. M. (1939). The letters of Ralph Waldo Emerson. Columbia University Press.

Chicago Style (17th ed.) Citation

Emerson, Ralph Waldo, L. Rusk, and Eleanor M. Tilton. The Letters of Ralph Waldo Emerson. New York: Columbia University Press, 1939.

MLA (9th ed.) Citation

Emerson, Ralph Waldo, et al. The Letters of Ralph Waldo Emerson. Columbia University Press, 1939.