"Lewis and Clark Expedition discoveries and Tribes encountered." Lewis&Clark. National Geographic Society, 1996. Web. 21 Feb 2011. <http://www.nationalgeographic.com/lewisandclark/resources_discoveries_animal.html>. BIBLIOGRAPHIC CITATION: <br />"Lewis and Clark Expedition discoveries and Tribes encountered." Lewis&Clark. National Geographic Society, 1996. Web. 21 Feb 2011. <http://www.nationalgeographic.com/lewisandclark/resources_discoveries_animal.html>. <br />[NOTE: Italicize "Lewis&Clark"]<br /><br /><br />PARENTHETICAL CITATION: <br />("Lewis&Clark")<br /><br /><br />