APA (7th ed.) Citation

Gerts, N., Ishak, G., Joel, I., & Takher, J. Lungs of a Chronic Smoker: The Case of Heroin-Induced Emphysema in a 35-Year-Old Man. American College of Physicians.

Chicago Style (17th ed.) Citation

Gerts, Neil, George Ishak, Ian Joel, and Jasprit Takher. Lungs of a Chronic Smoker: The Case of Heroin-Induced Emphysema in a 35-Year-Old Man. American College of Physicians.

MLA (9th ed.) Citation

Gerts, Neil, et al. Lungs of a Chronic Smoker: The Case of Heroin-Induced Emphysema in a 35-Year-Old Man. American College of Physicians.