Lenski, G. E., & Lenski, J. (1978). Human societies: An introduction to macrosociology (3d ed.). McGraw-Hill.

Lenski, Gerhard Emmanuel, and Jean Lenski. Human Societies: An Introduction to Macrosociology. 3d ed. New York: McGraw-Hill, 1978.

Lenski, Gerhard Emmanuel, and Jean Lenski. Human Societies: An Introduction to Macrosociology. 3d ed. McGraw-Hill, 1978.