Cita APA

Ockendon, M., Khan, S. N., Gabbar, O. A., Hutchinson, J., & Nelson, I. W. (2007). Zig-Zag Incision for Complex Posterior Spine Procedures. The Royal College of Surgeons of England.

Chicago Style Citation

Ockendon, Matthew, Shahid N. Khan, Omar Abdul Gabbar, John Hutchinson, i Ian W. Nelson. Zig-Zag Incision for Complex Posterior Spine Procedures. The Royal College of Surgeons of England, 2007.

Cita MLA

Ockendon, Matthew, et al. Zig-Zag Incision for Complex Posterior Spine Procedures. The Royal College of Surgeons of England, 2007.