MLA

Steffen, Randy, 1917- artist. Hay's regiment, Texas mounted volunteers (Texas Rangers), 1847-1848 : Military uniforms in America, plate no. 167. [1959]. https://collections.library.yale.edu/catalog/2016117.

APA, 6th edition

Steffen, Randy, 1917- artist. ([1959])[Hay's regiment, Texas mounted volunteers (Texas Rangers), 1847-1848 : Military uniforms in America, plate no. 167]. https://collections.library.yale.edu/catalog/2016117.