Ambrose, S. E., & Abell, S. (1998). Lewis & Clark: Voyage of discovery. National Geographic Society.
Cita Chicago Style (17a ed.)Ambrose, Stephen E., y Sam Abell. Lewis & Clark: Voyage of Discovery. Washington, DC: National Geographic Society, 1998.
Cita MLA (8a ed.)Ambrose, Stephen E., y Sam Abell. Lewis & Clark: Voyage of Discovery. National Geographic Society, 1998.
Precaución: Estas citas no son 100% exactas.