Leaves of grass;
with an introd. by Oscar Cargill.
Whitman, W. (1950). Leaves of grass: with an introd. by Oscar Cargill. New York: Harper.
Whitman, Walt, 1819-1892. Leaves of Grass: With an Introd. by Oscar Cargill. New York: Harper, 1950.
Warning: These citations may not always be complete (especially for serials).