Complex sentence: Vietnam 1965--1971 (New York: Harper & Row 1971; revised edition: Harper Colophon 1971), contemporary articles which appeared in "The New Yorker" magazine.
Split into simpler sentences: Vietnam 1965--1971 (New York: Harper & Row 1971; revised edition: Harper Colophon 1971). Contemporary articles which appeared in "The New Yorker" magazine.