APA Citation

Cook, R. C., & Lecht, C. (1968). People! an introduction to the study of population. Washington, D.C.: Columbia.

Chicago Style Citation

Cook, Robert C., and Cook Lecht. People! an Introduction to the Study of Population. Washington, D.C.: Columbia, 1968.

MLA Citation

Cook, Robert C., and Cook Lecht. People! an Introduction to the Study of Population. Washington, D.C.: Columbia, 1968.

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