Cita APA (7a ed.)

Mejía, R. M., Perrotta, C., Aznar, M., & Albert, X. (2018). Oestrogens for preventing recurrent urinary tract infection in postmenopausal women.

Cita Chicago Style (17a ed.)

Mejía, Raúl M., C. Perrotta, Mireya Aznar, y X. Albert. Oestrogens for Preventing Recurrent Urinary Tract Infection in Postmenopausal Women. 2018.

Cita MLA (8a ed.)

Mejía, Raúl M., et al. Oestrogens for Preventing Recurrent Urinary Tract Infection in Postmenopausal Women. 2018.