Yellowstone National Park.
MLA
Wellge, H. (Henry). Yellowstone National Park.. BRBL_00585. c1904.. https://collections.library.yale.edu/catalog/15818373.
APA, 6th edition
Wellge, H. (Henry). (["BRBL_00585"])(c1904.)[Yellowstone National Park.]. https://collections.library.yale.edu/catalog/15818373.