APA-Zitierstil (7. Ausg.)

Walle, E. v. d., & Foster, A. D. (1990). Fertility decline in Africa: Assessment and prospects (1. print.). World Bank.

Chicago-Zitierstil (17. Ausg.)

Walle, Etienne van de, und Andrew D. Foster. Fertility Decline in Africa: Assessment and Prospects. 1. print. Washington, DC: World Bank, 1990.

MLA-Zitierstil (9. Ausg.)

Walle, Etienne van de, und Andrew D. Foster. Fertility Decline in Africa: Assessment and Prospects. 1. print. World Bank, 1990.