Chudnov, D. (2009). What Librarians Still Don't Know about Free Software.
Cita Chicago Style (17a ed.)Chudnov, Daniel. What Librarians Still Don't Know About Free Software. 2009.
Cita MLA (9a ed.)Chudnov, Daniel. What Librarians Still Don't Know About Free Software. 2009.
Precaución: Estas citas no son 100% exactas.