APA citiranje

Desa, L. A., Grace, P. A., Vipond, M. N., Henderson, B., & Thompson, J. N. (1990). Gall bladder function after endoscopic sphincterotomy.

Citação norma Chicago

Desa, L A., P A. Grace, M N. Vipond, B. Henderson, and J N. Thompson. Gall Bladder Function After Endoscopic Sphincterotomy. 1990.

MLA citiranje

Desa, L A., et al. Gall Bladder Function After Endoscopic Sphincterotomy. 1990.