Cita APA

Stringer, M. D., & Crabbe, D. C. (1998). Posterior sagittal proctectomy. Royal College of Surgeons of England.

Chicago Style Citation

Stringer, M. D., i D. C. Crabbe. Posterior Sagittal Proctectomy. Royal College of Surgeons of England, 1998.

Cita MLA

Stringer, M. D., i D. C. Crabbe. Posterior Sagittal Proctectomy. Royal College of Surgeons of England, 1998.

Atenció: Aquestes cites poden no estar 100% correctes.