APA
World Bank, . (1997). Health, nutrition, & population. Washington, D.C: World Bank.
Chicago
World Bank, . 1997. Health, nutrition, & population. Washington, D.C: World Bank.
Harvard
World Bank, . (1997). Health, nutrition, & population. Washington, D.C: World Bank.
MLA
World Bank, . Health, nutrition, & population. Washington, D.C: World Bank. 1997.