Citação norma APA

Betrán, A. P., Say, L., Gülmezoglu, A. M., Allen, T., & Hampson, L. (2005). Effectiveness of different databases in identifying studies for systematic reviews: Experience from the WHO systematic review of maternal morbidity and mortality. BioMed Central.

Citação norma Chicago

Betrán, Ana P., Lale Say, A Metin Gülmezoglu, Tomas Allen, and Lynn Hampson. Effectiveness of Different Databases in Identifying Studies for Systematic Reviews: Experience From the WHO Systematic Review of Maternal Morbidity and Mortality. BioMed Central, 2005.

Citação norma MLA

Betrán, Ana P., et al. Effectiveness of Different Databases in Identifying Studies for Systematic Reviews: Experience From the WHO Systematic Review of Maternal Morbidity and Mortality. BioMed Central, 2005.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.