APA (7th ed.) Citation

Keyfitz, N., & Beekman, J. A. (1984). Demography through problems. Springer-Verlag.

Chicago Style (17th ed.) Citation

Keyfitz, Nathan, and John A. Beekman. Demography Through Problems. New York: Springer-Verlag, 1984.

MLA (9th ed.) Citation

Keyfitz, Nathan, and John A. Beekman. Demography Through Problems. Springer-Verlag, 1984.

Warning: These citations may not always be 100% accurate.