APA (7th ed.) Citation

Bouvier, L. F., & Bertrand, J. T. (1999). World population: Challenges for the 21st century. Seven Locks Press.

Chicago Style (17th ed.) Citation

Bouvier, Leon F., and Jane T. Bertrand. World Population: Challenges for the 21st Century. Santa Ana, Calif.: Seven Locks Press, 1999.

MLA (9th ed.) Citation

Bouvier, Leon F., and Jane T. Bertrand. World Population: Challenges for the 21st Century. Seven Locks Press, 1999.