APA aipamena

Pérez, W., Eriksson, L., Blandón, E. Z., Persson, L., Källestål, C., & Peña, R. (2014). Comparing progress toward the millennium development goal for under-five mortality in León and Cuatro Santos, Nicaragua, 1990–2008. BioMed Central.

Chicago Style aipamena

Pérez, Wilton, Leif Eriksson, Elmer Zelaya Blandón, Lars-Åke Persson, Carina Källestål, and Rodolfo Peña. Comparing Progress Toward the Millennium Development Goal for Under-five Mortality in León and Cuatro Santos, Nicaragua, 1990–2008. BioMed Central, 2014.

MLA aipamena

Pérez, Wilton, et al. Comparing Progress Toward the Millennium Development Goal for Under-five Mortality in León and Cuatro Santos, Nicaragua, 1990–2008. BioMed Central, 2014.