APA (7th ed.) Citation

(1977). How things work: The universal encyclopedia of machines. Paladin.

Chicago Style (17th ed.) Citation

How Things Work: The Universal Encyclopedia of Machines. Paladin, 1977.

MLA (9th ed.) Citation

How Things Work: The Universal Encyclopedia of Machines. Paladin, 1977.

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