APA Citatie

Compton, S. A., Cooper, N. K., Clyde, R. J., Collins, J. S., & Friel, C. M. (1976). Perforated peptic ulcer and the civil disturbances in Belfast 1967-74. Ulster Medical Society.

Chicago Style citaat

Compton, S. A., N. K. Cooper, R. J. Clyde, J. S. Collins, en C. M. Friel. Perforated Peptic Ulcer and the Civil Disturbances in Belfast 1967-74. Ulster Medical Society, 1976.

MLA citatie

Compton, S. A., et al. Perforated Peptic Ulcer and the Civil Disturbances in Belfast 1967-74. Ulster Medical Society, 1976.