Cita APA (7th ed.)
(1999). Principles and Practice of Emergency Medicine (4th ed.). Williams & Wilkins.
Cita Chicago (17th ed.)
Principles and Practice of Emergency Medicine. 4th ed. Baltimore: Williams & Wilkins, 1999.
Cita MLA (9th ed.)
Principles and Practice of Emergency Medicine. 4th ed. Williams & Wilkins, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.