Παραπομπή σε μορφή APA (7η εκδ.)

Bottle, A., Goudie, R., Bell, D., Aylin, P., & Cowie, M. (2016). Use of hospital services by age and comorbidity after an index heart failure admission in England: An observational study. BMJ Publishing Group.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Bottle, A., R. Goudie, D. Bell, P. Aylin, και MR Cowie. Use of Hospital Services by Age and Comorbidity After an Index Heart Failure Admission in England: An Observational Study. BMJ Publishing Group, 2016.

Παραπομπή σε μορφή MLA (9th εκδ.)

Bottle, A., et al. Use of Hospital Services by Age and Comorbidity After an Index Heart Failure Admission in England: An Observational Study. BMJ Publishing Group, 2016.