September 20-23, 1804, sketch map of the Big Bend of the Missouri
MLA
September 20-23, 1804, Sketch Map of the Big Bend of the Missouri. 1804. https://collections.library.yale.edu/catalog/2002995.
APA, 6th edition
September 20-23, 1804, sketch map of the Big Bend of the Missouri. (1804). [Journals (notebooks), Notes]. https://collections.library.yale.edu/catalog/2002995.