Cita APA (7th ed.)

Obama, B. (2008). The audacity of hope: Thoughts on reclaiming the American dream. Vintage Books.

Cita Chicago (17th ed.)

Obama, Barack. The Audacity of Hope: Thoughts on Reclaiming the American Dream. New York: Vintage Books, 2008.

Cita MLA (9th ed.)

Obama, Barack. The Audacity of Hope: Thoughts on Reclaiming the American Dream. Vintage Books, 2008.