Clemens, S. (1839). Sub-Series 32: Clemens, Sherrard, 1839-1843. Saint Louis University Libraries Digitization Center.
Chicago Style (17. basım) AtıfClemens, Sherrard. Sub-Series 32: Clemens, Sherrard, 1839-1843. Saint Louis University Libraries Digitization Center, 1839.
MLA (8th ed.) AtıfClemens, Sherrard. Sub-Series 32: Clemens, Sherrard, 1839-1843. Saint Louis University Libraries Digitization Center, 1839.
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