Cite

[United States Treaties] E. Gilman, draftsman. P.S. Duval's Steam lith. press, Philadelphia.

MLA

[United States Treaties] E. Gilman, Draftsman. P.S. Duval's Steam Lith. Press, Philadelphia. 1848. https://collections.library.yale.edu/catalog/15536465.

APA, 6th edition

[United States Treaties] E. Gilman, draftsman. P.S. Duval's Steam lith. press, Philadelphia. (1848). [Maps]. https://collections.library.yale.edu/catalog/15536465.