Brown, S. F. Sign conceptions in logic in the Latin Middle Ages: Stephen F. Brown. [Semiotik, 1].(1997).
Cita Chicago Style (17a ed.)Brown, Stephen F. "Sign Conceptions in Logic in the Latin Middle Ages: Stephen F. Brown." [Semiotik, 1].(1997) .
Cita MLA (8a ed.)Brown, Stephen F. "Sign Conceptions in Logic in the Latin Middle Ages: Stephen F. Brown." [Semiotik, 1].(1997), .
Precaución: Estas citas no son 100% exactas.