Asimov, I. (1987). Frontiers: New discoveries about man and his planet, outer space and the universe.
Chicago Edition CitationAsimov, Isaac. Frontiers: New Discoveries About Man and His Planet, Outer Space and the Universe. NY, Truman Talley Books, 1987.
MLA Edition CitationAsimov, Isaac. Frontiers: New Discoveries About Man and His Planet, Outer Space and the Universe. 1987.
Warning: These citations may not always be 100% accurate.