Cita APA (7a ed.)

Lenski, G. E., & Lenski, J. (1974). Human societies: An introduction to macrosociology (2nd ed.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Lenski, Gerhard Emmanuel, y Jean Lenski. Human Societies: An Introduction to Macrosociology. 2nd ed. New York: McGraw-Hill, 1974.

Cita MLA (9a ed.)

Lenski, Gerhard Emmanuel, y Jean Lenski. Human Societies: An Introduction to Macrosociology. 2nd ed. McGraw-Hill, 1974.