Pickover. (1996). Black Holes: A traveler's guide. John Wiley & Sons.
Chicago Style (17th ed.) CitationPickover. Black Holes: A Traveler's Guide. New York: John Wiley & Sons, 1996.
MLA (9th ed.) CitationPickover. Black Holes: A Traveler's Guide. John Wiley & Sons, 1996.
Warning: These citations may not always be 100% accurate.