APA (7th ed.) Citation

Boslough, J. (1986). Beyond the black hole: Stephen Hawking's universe. Fontana/Collins.

Chicago Style (17th ed.) Citation

Boslough, John. Beyond the Black Hole: Stephen Hawking's Universe. Glasgow: Fontana/Collins, 1986.

MLA (8th ed.) Citation

Boslough, John. Beyond the Black Hole: Stephen Hawking's Universe. Fontana/Collins, 1986.

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