MLA

Catlin, George, 1796-1872. Catlin's North American Indian portfolio : hunting scenes and amusements of the Rocky Mountains and prairies of America. 1844 [i.e. between 1845 and 1865?]. https://collections.library.yale.edu/catalog/2000971.

APA, 6th edition

Catlin, George, 1796-1872. (1844 [i.e. between 1845 and 1865?])[Catlin's North American Indian portfolio : hunting scenes and amusements of the Rocky Mountains and prairies of America]. https://collections.library.yale.edu/catalog/2000971.