APA-viite (7. p.)

Hearnshaw, S., Logan, R., Lowe, D., Travis, S., Murphy, M., & Palmer, K. (2011). Acute upper gastrointestinal bleeding in the UK: Patient characteristics, diagnoses and outcomes in the 2007 UK audit.

Chicago-viite (17. p.)

Hearnshaw, SA, R. Logan, D. Lowe, S. Travis, M. Murphy, ja K. Palmer. Acute Upper Gastrointestinal Bleeding in the UK: Patient Characteristics, Diagnoses and Outcomes in the 2007 UK Audit. 2011.

MLA-viite (9. p.)

Hearnshaw, SA, et al. Acute Upper Gastrointestinal Bleeding in the UK: Patient Characteristics, Diagnoses and Outcomes in the 2007 UK Audit. 2011.