Cita APA (7a ed.)

Li, Z., Bian, Y., Zeng, L., Li, W., & Yang, L. (2017). Life Expectancy, Causes of Death, Risk Factors in China and the U.S. Ubiquity Press.

Cita Chicago Style (17a ed.)

Li, Zhengjun, Yaoyao Bian, Li Zeng, Wenlin Li, y Lili Yang. Life Expectancy, Causes of Death, Risk Factors in China and the U.S. Ubiquity Press, 2017.

Cita MLA (8a ed.)

Li, Zhengjun, et al. Life Expectancy, Causes of Death, Risk Factors in China and the U.S. Ubiquity Press, 2017.