APA (7th ed.) Citation

Couper & Herbert. (1994). How the universe works. Dorling Kindersley Ltd.

Chicago Style (17th ed.) Citation

Couper and Herbert. How the Universe Works. London: Dorling Kindersley Ltd, 1994.

MLA (8th ed.) Citation

Couper and Herbert. How the Universe Works. Dorling Kindersley Ltd, 1994.

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