APA Citation

Lewis, K. (2007). Smoking cessation—Making quitting a real option. Respiratory Medicine: COPD Update, 3(4), pp. 128-134. doi:10.1016/j.rmedu.2007.07.001

Chicago Style Citation

Lewis, Keir. "Smoking Cessation—Making Quitting a Real Option." Respiratory Medicine: COPD Update 3, no. 4 (2007): 128-134.

MLA Citation

Lewis, Keir. "Smoking Cessation—Making Quitting a Real Option." Respiratory Medicine: COPD Update 3.4 (2007): 128-134.

Warning: These citations may not always be 100% accurate.