Filkin, D. (1997). Stephen Hawking''''s universe: The cosmos explained. New York: Basic Books.
Chicago Style CitationFilkin, David. Stephen Hawking''''s Universe: The Cosmos Explained. New York: Basic Books, 1997.
MLA CitationFilkin, David. Stephen Hawking''''s Universe: The Cosmos Explained. New York: Basic Books, 1997.
Warning: These citations may not always be 100% accurate.