Obama, B. (2006). The audacity of hope: Thoughts on reclaiming the American dream. Crown Publishers.
芝加哥风格引文Obama, Barack. The Audacity of Hope: Thoughts on Reclaiming the American Dream. New York: Crown Publishers, 2006.
MLA引文Obama, Barack. The Audacity of Hope: Thoughts on Reclaiming the American Dream. Crown Publishers, 2006.
警告：这些引文格式不一定是100％准确.