Wilson, D. M. Number 3: Chronic Obstructive Pulmonary Disease -- Stopping Smoking: It is Never Too Late. Wiley.
Chicago Style (17th ed.) CitationWilson, Douglas MC. Number 3: Chronic Obstructive Pulmonary Disease -- Stopping Smoking: It Is Never Too Late. Wiley.
MLA (9th ed.) CitationWilson, Douglas MC. Number 3: Chronic Obstructive Pulmonary Disease -- Stopping Smoking: It Is Never Too Late. Wiley.
Warning: These citations may not always be 100% accurate.