Cita APA (7a ed.)
S, Z., & K, P. (2008). Beyond withdrawal symptoms: Response to DiFranza...DiFranza JR. Nicotine withdrawal in subthreshold smokers. Addiction 2008;103:511-2. Addiction, 103(3), 512-514.
Cita Chicago Style (17a ed.)
S, Zhu, y Pulvers K. "Beyond Withdrawal Symptoms: Response to DiFranza...DiFranza JR. Nicotine Withdrawal in Subthreshold Smokers. Addiction 2008;103:511-2." Addiction 103, no. 3 (2008): 512-514.
Cita MLA (9a ed.)
S, Zhu, y Pulvers K. "Beyond Withdrawal Symptoms: Response to DiFranza...DiFranza JR. Nicotine Withdrawal in Subthreshold Smokers. Addiction 2008;103:511-2." Addiction, vol. 103, no. 3, 2008, pp. 512-514.
Precaución: Estas citas no son 100% exactas.