Cita APA (7a ed.)

Thomas, D. (1994). How fast is fertility declining in Botswana and Zimbabwe? World Bank.

Cita Chicago Style (17a ed.)

Thomas, Duncan. How Fast Is Fertility Declining in Botswana and Zimbabwe? Washington, D.C: World Bank, 1994.

Cita MLA (9a ed.)

Thomas, Duncan. How Fast Is Fertility Declining in Botswana and Zimbabwe? World Bank, 1994.