Cita APA (7a ed.)
Waldo, J. (2008). Scaling in Games and Virtual Worlds. Communications of the ACM, 51(8), 38-45.
Cita Chicago Style (17a ed.)
Waldo, Jim. "Scaling in Games and Virtual Worlds." Communications of the ACM 51, no. 8 (2008): 38-45.
Cita MLA (9a ed.)
Waldo, Jim. "Scaling in Games and Virtual Worlds." Communications of the ACM, vol. 51, no. 8, 2008, pp. 38-45.
Precaución: Estas citas no son 100% exactas.