APA (7th ed.) Citation

(1978). The how it works encyclopedia of great inventors & discoveries. Marshall Cavendish.

Chicago Style (17th ed.) Citation

The How It Works Encyclopedia of Great Inventors & Discoveries. London: Marshall Cavendish, 1978.

MLA (9th ed.) Citation

The How It Works Encyclopedia of Great Inventors & Discoveries. Marshall Cavendish, 1978.

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