Cita APA

Singh, G. K., & Yu, S. M. (1996). US childhood mortality, 1950 through 1993: Trends and socioeconomic diffferentials.

Citación estilo Chicago

Singh, G K., y S M. Yu. US Childhood Mortality, 1950 Through 1993: Trends and Socioeconomic Diffferentials. 1996.

Cita MLA

Singh, G K., y S M. Yu. US Childhood Mortality, 1950 Through 1993: Trends and Socioeconomic Diffferentials. 1996.