Ultimatum on the Oregon question
MLA
E. W. E, Lith & pub by J. Baillie, 118 Nassau St., N.Y., [New York. Ultimatum on the Oregon question. 1846. https://collections.library.yale.edu/catalog/2016137.
APA, 6th edition
E. W. E, & Lith & pub by J. Baillie, 118 Nassau St., N.Y., [New York. (1846)[Ultimatum on the Oregon question]. https://collections.library.yale.edu/catalog/2016137.