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