Your national capital.
MLA
Geological Survey (U.S.). Your national capital.. BRBL_00505A. 1917. https://collections.library.yale.edu/catalog/15827551.
APA, 6th edition
Geological Survey (U.S.). (["BRBL_00505A"])(1917)[Your national capital.]. https://collections.library.yale.edu/catalog/15827551.