Cita APA (7a ed.)
Stallman, R. (2009). Viewpoint: Why "Open Source" Misses the Point of Free software. Communications of the ACM, 52(6), 31-34.
Cita Chicago Style (17a ed.)
Stallman, Richard. "Viewpoint: Why "Open Source" Misses the Point of Free Software." Communications of the ACM 52, no. 6 (2009): 31-34.
Cita MLA (9a ed.)
Stallman, Richard. "Viewpoint: Why "Open Source" Misses the Point of Free Software." Communications of the ACM, vol. 52, no. 6, 2009, pp. 31-34.
Precaución: Estas citas no son 100% exactas.