Cita APA (7th ed.)
Hammack, B. The Things We Make: The Unknown History of Invention : From Cathedrals to Soda Cans. Sourcebooks.
Cita Chicago (17th ed.)
Hammack, Bill. The Things We Make: The Unknown History of Invention : From Cathedrals to Soda Cans. Naperville, EUA: Sourcebooks.
Cita MLA (9th ed.)
Hammack, Bill. The Things We Make: The Unknown History of Invention : From Cathedrals to Soda Cans. Sourcebooks.
Atenció: Aquestes cites poden no estar 100% correctes.