APA引文

Lutz, W., Vaupel, J. W., & Ahlburg, D. A. (1999). Frontiers of population forecasting. Population Council.

Chicago Style (17th ed.) Citation

Lutz, Wolfgang, James W. Vaupel, and Dennis A. Ahlburg. Frontiers of Population Forecasting. New York: Population Council, 1999.

MLA引文

Lutz, Wolfgang, et al. Frontiers of Population Forecasting. Population Council, 1999.

警告:這些引文格式不一定是100%准確.