Cita APA (7a ed.)
Walsh, J. J. The Thirteenth: Greatest of Centuries (6a edición.). Catholic Summer School.
Cita estilo Chicago (17a ed.)
Walsh, James J. The Thirteenth: Greatest of Centuries. 6a edición. Nueva York, EUA: Catholic Summer School.
Cita MLA (9a ed.)
Walsh, James J. The Thirteenth: Greatest of Centuries. 6a edición. Catholic Summer School.
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