MLA

Sleem, D. H. (David H.). Map of Kenai mining district and Moose Pass regions, Kenai precinct, Alaska / by D. H. Sleem, M.D.. BRBL_00633. 1910. https://collections.library.yale.edu/catalog/15821754.

APA, 6th edition

Sleem, D. H. (David H.). (["BRBL_00633"])(1910)[Map of Kenai mining district and Moose Pass regions, Kenai precinct, Alaska / by D. H. Sleem, M.D.]. https://collections.library.yale.edu/catalog/15821754.