Cita APA (7th ed.)
Thurlbeck, W. M., & Wright, J. L. (1999). Thurlbeck's chronic airflow obstruction (2nd ed.). B.C. Decker.
Cita Chicago (17th ed.)
Thurlbeck, William M., i Joanne L. Wright. Thurlbeck's Chronic Airflow Obstruction. 2nd ed. Hamilton, Ont.: B.C. Decker, 1999.
Cita MLA (9th ed.)
Thurlbeck, William M., i Joanne L. Wright. Thurlbeck's Chronic Airflow Obstruction. 2nd ed. B.C. Decker, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.