Course of the river Mississippi from the Balise to Fort Chartres : taken on an expedition to the Illinois, in the latter end of the year 1765 / by Lieut. Ross of the 34th Regiment ; improved from the surveys of the river made by the French.
MLA
Ross, Lieut. Course of the River Mississippi from the Balise to Fort Chartres : Taken on an Expedition to the Illinois, in the Latter End of the Year 1765 / by Lieut. Ross of the 34th Regiment ; Improved from the Surveys of the River Made by the French. Printed for Robt. Sayer ..., 1AD. https://collections.library.yale.edu/catalog/15814453.
APA, 6th edition
Ross, L. (1 C.E.). Course of the river Mississippi from the Balise to Fort Chartres : taken on an expedition to the Illinois, in the latter end of the year 1765 / by Lieut. Ross of the 34th Regiment ; improved from the surveys of the river made by the French. [Maps]. Printed for Robt. Sayer ..., https://collections.library.yale.edu/catalog/15814453.