APA (7th ed.) Citation

Filkin, D. (1997). Stephen Hawking's universe: The cosmos explained (First edition.). BasicBooks.

Chicago Style (17th ed.) Citation

Filkin, David. Stephen Hawking's Universe: The Cosmos Explained. First edition. New York: BasicBooks, 1997.

MLA (8th ed.) Citation

Filkin, David. Stephen Hawking's Universe: The Cosmos Explained. First edition. BasicBooks, 1997.

Warning: These citations may not always be 100% accurate.