APA

Couper H., Corbella L. (. ). & Henbest N. (1996). Black Holes. London: Dorling Kindersley.

Chicago

Couper Heather, Corbella Luciano (Illustratted ) and Henbest Nigel. 1996. Black Holes. London: Dorling Kindersley.

Harvard

Couper H., Corbella L. (. ). and Henbest N. (1996). Black Holes. London: Dorling Kindersley.

MLA

Couper Heather, Corbella Luciano (Illustratted ) and Henbest Nigel. Black Holes. London: Dorling Kindersley. 1996.