Cita APA (7a ed.)
Fialho, A. B., Braga-Neto, M. B., Guerra, E. J., Fialho, A. M., Fernandes, K. C., Sun, J. L., . . . Braga, L. L. B. C. (2011). Low prevalence of H. pylori infection in HIV-positive patients in the northeast of Brazil. BMC Gastroenterology, 11(1), 13-14.
Cita Chicago Style (17a ed.)
Fialho, Andréa Bc, et al. "Low Prevalence of H. Pylori Infection in HIV-positive Patients in the Northeast of Brazil." BMC Gastroenterology 11, no. 1 (2011): 13-14.
Cita MLA (9a ed.)
Fialho, Andréa Bc, et al. "Low Prevalence of H. Pylori Infection in HIV-positive Patients in the Northeast of Brazil." BMC Gastroenterology, vol. 11, no. 1, 2011, pp. 13-14.
Precaución: Estas citas no son 100% exactas.