Cita APA (7a ed.)

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.

Cita Chicago Style (17a ed.)

Bottle, A., R. Goudie, D. Bell, P. Aylin, y 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.

Cita MLA (9a ed.)

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.