Wagenknecht, E. (1974). Ralph Waldo Emerson: Portrait of a balanced soul. Oxford University Press.
Cita Chicago (17th ed.)Wagenknecht, Edward. Ralph Waldo Emerson: Portrait of a Balanced Soul. New York: Oxford University Press, 1974.
Cita MLA (8th ed.)Wagenknecht, Edward. Ralph Waldo Emerson: Portrait of a Balanced Soul. Oxford University Press, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.