Cita APA (7a ed.)
Asimov, I. The Stars in their Courses. Doubleday.
Cita estilo Chicago (17a ed.)
Asimov, Isaac. The Stars in Their Courses. Nueva York, EUA: Doubleday.
Cita MLA (9a ed.)
Asimov, Isaac. The Stars in Their Courses. Doubleday.
Precaución: Estas citas no son 100% exactas.