Ambrose, S. E., & Whitener, B. (2008). Undaunted courage: Meriwether Lewis, Thomas Jefferson, and the opening of the American West. Audioworks/Simon & Schuster Audio.
Cita Chicago Style (17a ed.)Ambrose, Stephen E., y Barrett Whitener. Undaunted Courage: Meriwether Lewis, Thomas Jefferson, and the Opening of the American West. New York, NY: Audioworks/Simon & Schuster Audio, 2008.
Cita MLA (8a ed.)Ambrose, Stephen E., y Barrett Whitener. Undaunted Courage: Meriwether Lewis, Thomas Jefferson, and the Opening of the American West. Audioworks/Simon & Schuster Audio, 2008.
Precaución: Estas citas no son 100% exactas.