Cita APA (7a ed.)
Harford, T. (2017). 50 inventions that shaped the modern economy. Riverhead Books.
Cita Chicago Style (17a ed.)
Harford, Tim. 50 Inventions That Shaped the Modern Economy. New York: Riverhead Books, 2017.
Cita MLA (9a ed.)
Harford, Tim. 50 Inventions That Shaped the Modern Economy. Riverhead Books, 2017.
Precaución: Estas citas no son 100% exactas.