Cita APA (7th ed.)

Carter, D., & Polk, H. (1981). Trauma. butterworths.

Cita Chicago (17th ed.)

Carter, David, i Hiram Polk. Trauma. London: butterworths, 1981.

Cita MLA (9th ed.)

Carter, David, i Hiram Polk. Trauma. butterworths, 1981.