Cita APA (7a ed.)
Burke, J. Circles: 50 Round Trips Through History, Technology, Science, Culture. Simon and Schuster.
Cita estilo Chicago (17a ed.)
Burke, James. Circles: 50 Round Trips Through History, Technology, Science, Culture. Nueva York, EUA: Simon and Schuster.
Cita MLA (9a ed.)
Burke, James. Circles: 50 Round Trips Through History, Technology, Science, Culture. Simon and Schuster.
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