APA Цитирование

Ritchie, J. K. (1990). The results of surgery for large bowel Crohn's disease. Royal College of Surgeons of England.

Chicago-стиль цитирования

Ritchie, J. K. The Results of Surgery for Large Bowel Crohn's Disease. Royal College of Surgeons of England, 1990.

MLA-цитирование

Ritchie, J. K. The Results of Surgery for Large Bowel Crohn's Disease. Royal College of Surgeons of England, 1990.

Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.