APA Citation

Ingpen, R., & Wilkinson, P. (1993). Encyclopedia of ideas that changed the world: The greatest discoveries and inventions of human history. Limpsfield: Dragonʹs World.

Chicago Style Citation

Ingpen, Robert, and Philip Wilkinson. Encyclopedia of Ideas That Changed the World: The Greatest Discoveries and Inventions of Human History. Limpsfield: Dragonʹs World, 1993.

MLA Citation

Ingpen, Robert, and Philip Wilkinson. Encyclopedia of Ideas That Changed the World: The Greatest Discoveries and Inventions of Human History. Limpsfield: Dragonʹs World, 1993.

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