Cita APA (7th ed.)

Roberts, J. R., & Hedges, J. R. (1991). Clinical procedures in emergency medicine (2nd ed.). Saunders.

Cita Chicago (17th ed.)

Roberts, James R., i Jerris R. Hedges. Clinical Procedures in Emergency Medicine. 2nd ed. Philadelphia, PA: Saunders, 1991.

Cita MLA (9th ed.)

Roberts, James R., i Jerris R. Hedges. Clinical Procedures in Emergency Medicine. 2nd ed. Saunders, 1991.