Cita APA (7a ed.)
MALAGA, R. A. (2008). Worst Practices in Search Engine Optimization. Communications of the ACM, 51(12), 147-151.
Cita Chicago Style (17a ed.)
MALAGA, ROSS A. "Worst Practices in Search Engine Optimization." Communications of the ACM 51, no. 12 (2008): 147-151.
Cita MLA (9a ed.)
MALAGA, ROSS A. "Worst Practices in Search Engine Optimization." Communications of the ACM, vol. 51, no. 12, 2008, pp. 147-151.
Precaución: Estas citas no son 100% exactas.