APA ציטוט

Shepherd, A. F., Allan, R. N., Dykes, P. W., Keighley, M. R., & Alexander-Williams, J. (1985). The surgical treatment of gastroduodenal Crohn's disease. Royal College of Surgeons of England.

Citação norma Chicago

Shepherd, A. F., R. N. Allan, P. W. Dykes, M. R. Keighley, and J. Alexander-Williams. The Surgical Treatment of Gastroduodenal Crohn's Disease. Royal College of Surgeons of England, 1985.

ציטוט MLA

Shepherd, A. F., et al. The Surgical Treatment of Gastroduodenal Crohn's Disease. Royal College of Surgeons of England, 1985.