Gold region approaches by Copper River and the Dalton Trail / compiled from latest U.S. surveys, British authorities and other sources by J.B. Tyrrell.
MLA
Tyrrell, Joseph Burr, 1858-1957. Gold region approaches by Copper River and the Dalton Trail / compiled from latest U.S. surveys, British authorities and other sources by J.B. Tyrrell.. BRBL_00630. c1897. https://collections.library.yale.edu/catalog/15821714.
APA, 6th edition
Tyrrell, Joseph Burr, 1858-1957. (["BRBL_00630"])(c1897)[Gold region approaches by Copper River and the Dalton Trail / compiled from latest U.S. surveys, British authorities and other sources by J.B. Tyrrell.]. https://collections.library.yale.edu/catalog/15821714.