Cita APA (7a ed.)
Anonymous. (Sep 2007). Letters to the Editor. SQL Server Magazine.
Cita Chicago Style (17a ed.)
Anonymous. "Letters to the Editor." SQL Server Magazine Sep 2007.
Cita MLA (9a ed.)
Anonymous. "Letters to the Editor." SQL Server Magazine, Sep 2007.
Precaución: Estas citas no son 100% exactas.