Kullen, A. S. (1994). The peopling of America: A timeline of events that helped shape our nation : a historical perspective (3rd ed.). Beltsville, MD: Americans All.MLA Citation
Kullen, Allan S. The Peopling of America: A Timeline of Events That Helped Shape Our Nation : A Historical Perspective. 3rd ed. Beltsville, MD: Americans All, 1994.