Cita APA (7th ed.)

Ellis, B. W. (1995). Emergency surgery (12 ed.). Butterworth Heinemann.

Cita Chicago (17th ed.)

Ellis, B. W. Emergency Surgery. 12 ed. Toronto: Butterworth Heinemann, 1995.

Cita MLA (9th ed.)

Ellis, B. W. Emergency Surgery. 12 ed. Butterworth Heinemann, 1995.