Van Doren, M. (1969). Carl Sandburg: With a bibliography of Sandburg materials in the collections of the Library of Congress. Gertrude Clarke Whittall Poetry and Literature Fund.
Chicago-Zitierstil (17. Ausg.)Van Doren, Mark. Carl Sandburg: With a Bibliography of Sandburg Materials in the Collections of the Library of Congress. Washington: Gertrude Clarke Whittall Poetry and Literature Fund, 1969.
MLA-Zitierstil (9. Ausg.)Van Doren, Mark. Carl Sandburg: With a Bibliography of Sandburg Materials in the Collections of the Library of Congress. Gertrude Clarke Whittall Poetry and Literature Fund, 1969.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.