APA (7th ed.) Citation

Smith, A., Campbell, R. H., Skinner, A. S., & Todd, W. B. (1981). An inquiry into the nature and causes of the wealth of nations. LibertyClassics.

Chicago Style (17th ed.) Citation

Smith, Adam, R. H. Campbell, Andrew S. Skinner, and William B. Todd. An Inquiry into the Nature and Causes of the Wealth of Nations. Indianápolis: LibertyClassics, 1981.

MLA (9th ed.) Citation

Smith, Adam, et al. An Inquiry into the Nature and Causes of the Wealth of Nations. LibertyClassics, 1981.