Gelb, I. J. (1979). Definition and Discussion of Slavery and Serfdom.
Chicago Style (17th ed.) CitationGelb, I. J. Definition and Discussion of Slavery and Serfdom. 1979.
MLA (8th ed.) CitationGelb, I. J. Definition and Discussion of Slavery and Serfdom. 1979.
Warning: These citations may not always be 100% accurate.