APA Style

Peña, M. et al (2000). Obesity and poverty : a new public health challenge . Washington, D.C.: Pan American Health Organization : Pan American Sanitary Bureau, Regional Office of the World Health.

MLA Style

Peña, Manuel. et al. "Obesity and poverty : a new public health challenge". Washington, D.C.: Pan American Health Organization : Pan American Sanitary Bureau, Regional Office of the World Health, 2000. Text.