Cahill, K., & Perera, R. (2011). Competitions and incentives for smoking cessation.
芝加哥风格引文Cahill, K., 与 R. Perera. Competitions and Incentives for Smoking Cessation. 2011.
MLA引文Cahill, K., 与 R. Perera. Competitions and Incentives for Smoking Cessation. 2011.
警告：这些引文格式不一定是100％准确.