Lippmann, W., Leuchtenburg, W. E., & Sitaraman, G. (2015). Drift and mastery: An attempt to diagnose the current unrest (Centennial edition.). The University of Wisconsin Press.
Cita Chicago (17th ed.)Lippmann, Walter, William E. Leuchtenburg, i Ganesh Sitaraman. Drift and Mastery: An Attempt to Diagnose the Current Unrest. Centennial edition. Madison, Wisconsin ; London, England: The University of Wisconsin Press, 2015.
Cita MLA (9th ed.)Lippmann, Walter, et al. Drift and Mastery: An Attempt to Diagnose the Current Unrest. Centennial edition. The University of Wisconsin Press, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.