APA (7th ed.) Citation
The Universal Encyclopedia of Machines. (1972). How things work (1a Ed.). PALADIN.
Chicago Style (17th ed.) Citation
The Universal Encyclopedia of Machines. How Things Work. 1a Ed. PALADIN, 1972.
MLA (9th ed.) Citation
The Universal Encyclopedia of Machines. How Things Work. 1a Ed. PALADIN, 1972.
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