MLA

Geological Survey (U.S.). United States relief map / U.S. Geological Survey, Department of the Interior ; compiled by Henry Gannett.. BRBL_00408. 1911. https://collections.library.yale.edu/catalog/15827369.

APA, 6th edition

Geological Survey (U.S.). (["BRBL_00408"])(1911)[United States relief map / U.S. Geological Survey, Department of the Interior ; compiled by Henry Gannett.]. https://collections.library.yale.edu/catalog/15827369.