APA (7th ed.) Citation

Pickover, C. A. (1996). Black holes: A traveler's guide. Wiley.

Chicago Style (17th ed.) Citation

Pickover, Clifford A. Black Holes: A Traveler's Guide. New York [u.a.]: Wiley, 1996.

MLA (9th ed.) Citation

Pickover, Clifford A. Black Holes: A Traveler's Guide. Wiley, 1996.