APA ציטוט

Blatchford, O., Davidson, L. A., Murray, W. R., Blatchford, M., & Pell, J. (1997). Acute upper gastrointestinal haemorrhage in west of Scotland: Case ascertainment study.

Citação norma Chicago

Blatchford, O., L. A. Davidson, W. R. Murray, M. Blatchford, and J. Pell. Acute Upper Gastrointestinal Haemorrhage in West of Scotland: Case Ascertainment Study. 1997.

ציטוט MLA

Blatchford, O., et al. Acute Upper Gastrointestinal Haemorrhage in West of Scotland: Case Ascertainment Study. 1997.