Cita APA (7a ed.)
Bergmann, P. G., & Einstein, A. Introduction to the Theory of Relativity. Dover.
Cita estilo Chicago (17a ed.)
Bergmann, Peter Gabriel, y Albert Einstein. Introduction to the Theory of Relativity. Nueva York, EUA: Dover.
Cita MLA (9a ed.)
Bergmann, Peter Gabriel, y Albert Einstein. Introduction to the Theory of Relativity. Dover.
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