Cita APA (7th ed.)
Maddrey, W. C. (1993). Chronic hepatitis (1a ed.). Mosby Year Book.
Cita Chicago (17th ed.)
Maddrey, Willis C. Chronic Hepatitis. 1a ed. Mosby Year Book, 1993.
Cita MLA (9th ed.)
Maddrey, Willis C. Chronic Hepatitis. 1a ed. Mosby Year Book, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.