APA
Baum G. L., Crapo J. D., . (2004). Baum's textbook of pulmonary diseases. Philadelphia: Lippincott Williams & Wilkins.
Chicago
Baum Gerald L, Crapo James D, . 2004. Baum's textbook of pulmonary diseases. Philadelphia: Lippincott Williams & Wilkins.
Harvard
Baum G. L., Crapo J. D., . (2004). Baum's textbook of pulmonary diseases. Philadelphia: Lippincott Williams & Wilkins.
MLA
Baum Gerald L, Crapo James D, . Baum's textbook of pulmonary diseases. Philadelphia: Lippincott Williams & Wilkins. 2004.