Cita APA (7a ed.)
FORTNOW, L. (2009). The Status of the P versus NP Problem. Communications of the ACM, 52(9), 78-87.
Cita Chicago Style (17a ed.)
FORTNOW, LANCE. "The Status of the P Versus NP Problem." Communications of the ACM 52, no. 9 (2009): 78-87.
Cita MLA (9a ed.)
FORTNOW, LANCE. "The Status of the P Versus NP Problem." Communications of the ACM, vol. 52, no. 9, 2009, pp. 78-87.
Precaución: Estas citas no son 100% exactas.