APA Citation

Clarke, D. (1977). The Encyclopedia of how it works: From abacus to zoom lens. London: Marshall Cavendish.

Chicago Style Citation

Clarke, Donald. The Encyclopedia of How It Works: From Abacus to Zoom Lens. London: Marshall Cavendish, 1977.

MLA Citation

Clarke, Donald. The Encyclopedia of How It Works: From Abacus to Zoom Lens. London: Marshall Cavendish, 1977.

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