APA (7th ed.) Citation

Boslough, J. (1984). Beyond the black hole: Stephen hawking's Universe. Fontana.

Chicago Style (17th ed.) Citation

Boslough, John. Beyond the Black Hole: Stephen Hawking's Universe. London: Fontana, 1984.

MLA (9th ed.) Citation

Boslough, John. Beyond the Black Hole: Stephen Hawking's Universe. Fontana, 1984.