Gundersen, J. R., Satz, R. N., Nelson, H. V., Reichard, G. W., & Dollar, C. M. (1980). America changing times, a brief history. New York: John Wiley & Sons.

Gundersen, Joan Rezner, Ronald N. Satz, H. Viscount Nelson, Gary W. Reichard, and Charles M. Dollar. America Changing Times, a Brief History. New York: John Wiley & Sons, 1980.

Gundersen, Joan Rezner, et al. America Changing Times, a Brief History. New York: John Wiley & Sons, 1980.