Cita APA (7a ed.)
University of Pittsburgh. Press. (2011). IIOAB letters. University Library System, University of Pittsburgh.
Cita Chicago Style (17a ed.)
University of Pittsburgh. Press. IIOAB Letters. [Pittsburgh, PA]: University Library System, University of Pittsburgh, 2011.
Cita MLA (9a ed.)
University of Pittsburgh. Press. IIOAB Letters. University Library System, University of Pittsburgh, 2011.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.