APA citiranje

Wald, N. J., Law, M. R., Morris, J. K., & Bagnall, A. M. (1997). Helicobacter pylori infection and mortality from ischaemic heart disease: Negative result from a large, prospective study.

Citação norma Chicago

Wald, N. J., M. R. Law, J. K. Morris, and A. M. Bagnall. Helicobacter Pylori Infection and Mortality From Ischaemic Heart Disease: Negative Result From a Large, Prospective Study. 1997.

MLA citiranje

Wald, N. J., M. R. Law, J. K. Morris, and A. M. Bagnall. Helicobacter Pylori Infection and Mortality From Ischaemic Heart Disease: Negative Result From a Large, Prospective Study. 1997.