Cita APA

Lopez, A. D., Ahmad, O. B., & Guillot, M. World mortality in 2000: Life tables for 191 countries.

Citación estilo Chicago

Lopez, Alan D., Omar B. Ahmad, and Michel Guillot. World Mortality in 2000: Life Tables for 191 Countries.

Cita MLA

Lopez, Alan D., et al. World Mortality in 2000: Life Tables for 191 Countries.