Cita APA

Clements, D., Stamatakis, J., Foster, D., Wilkins, W. E., & Morris, J. S. (1990). Mortality in patients with bleeding peptic ulcer.

Chicago Style Citation

Clements, D., J. Stamatakis, D. Foster, W E. Wilkins, i J S. Morris. Mortality in Patients With Bleeding Peptic Ulcer. 1990.

Cita MLA

Clements, D., et al. Mortality in Patients With Bleeding Peptic Ulcer. 1990.