Cita APA (7a ed.)

Galt, A. H., & Smith, L. J. (1976). Models and the study of social change. John Wiley & Sons.

Cita Chicago Style (17a ed.)

Galt, Anthony H., y Larry J. Smith. Models and the Study of Social Change. New York [etc.]: John Wiley & Sons, 1976.

Cita MLA (9a ed.)

Galt, Anthony H., y Larry J. Smith. Models and the Study of Social Change. John Wiley & Sons, 1976.