Wheeler, W. B., & Becker, S. D. (2002). Discovering the American past: A look at the evidence (Fifth Edition.). Houghton Mifflin Co.
芝加哥风格引文Wheeler, William Bruce, 与 Susan D. Becker. Discovering the American Past: A Look at the Evidence. Fifth Edition. Boston: Houghton Mifflin Co, 2002.
MLA引文Wheeler, William Bruce, 与 Susan D. Becker. Discovering the American Past: A Look at the Evidence. Fifth Edition. Houghton Mifflin Co, 2002.
警告：这些引文格式不一定是100％准确.