Cita APA (7a ed.)
Asimov, I. The Man Who Upset the Universe. Ace Books.
Cita estilo Chicago (17a ed.)
Asimov, Isaac. The Man Who Upset the Universe. Nueva York, EUA: Ace Books.
Cita MLA (9a ed.)
Asimov, Isaac. The Man Who Upset the Universe. Ace Books.
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