Hausdorff, F., & Aumann, J. R. (1957). Set theory. Chelsea.
Chicago Style (17th ed.) CitationHausdorff, Felix, and John R. Aumann. Set Theory. New York: Chelsea, 1957.
MLA (9th ed.) CitationHausdorff, Felix, and John R. Aumann. Set Theory. Chelsea, 1957.