Cita APA (7a ed.)
Williams, M. (1963). Scott's guidebook to stamp collecting. Simon and Schuster.
Cita estilo Chicago (17a ed.)
Williams, Maurice. Scott's Guidebook to Stamp Collecting. Nueva York, EUA: Simon and Schuster, 1963.
Cita MLA (9a ed.)
Williams, Maurice. Scott's Guidebook to Stamp Collecting. Simon and Schuster, 1963.
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