APA

Lutz W., Vaupel J. W. & Ahlburg D. A. (1998). Frontiers of population forecasting. New York: Population Council.

Chicago

Lutz Wolfgang, Vaupel James W and Ahlburg Dennis A. 1998. Frontiers of population forecasting. New York: Population Council.

Harvard

Lutz W., Vaupel J. W. and Ahlburg D. A. (1998). Frontiers of population forecasting. New York: Population Council.

MLA

Lutz Wolfgang, Vaupel James W and Ahlburg Dennis A. Frontiers of population forecasting. New York: Population Council. 1998.