Cita APA (7a ed.)
JOHNSON, B. (2009). Reveling in Constraints. Communications of the ACM, 52(9), 44-49.
Cita Chicago Style (17a ed.)
JOHNSON, BRUCE. "Reveling in Constraints." Communications of the ACM 52, no. 9 (2009): 44-49.
Cita MLA (9a ed.)
JOHNSON, BRUCE. "Reveling in Constraints." Communications of the ACM, vol. 52, no. 9, 2009, pp. 44-49.
Precaución: Estas citas no son 100% exactas.