Cita APA (7a ed.)

Azagra, R., López-Expósito, F., Martin-Sánchez, J., Aguyé, A., Moreno, N., Cooper, C., . . . Dennison, E. (2014). Changing trends in the epidemiology of hip fracture in Spain. Springer-Verlag London Ltd.

Cita Chicago Style (17a ed.)

Azagra, R., F. López-Expósito, J. Martin-Sánchez, A. Aguyé, N. Moreno, C. Cooper, A. Díez-Pérez, y E. Dennison. Changing Trends in the Epidemiology of Hip Fracture in Spain. Springer-Verlag London Ltd, 2014.

Cita MLA (9a ed.)

Azagra, R., et al. Changing Trends in the Epidemiology of Hip Fracture in Spain. Springer-Verlag London Ltd, 2014.