Cite

Reconnaissance map of Koyukuk-Chandalar region, Alaska / U.S. Geological Survey ; Alfred H. Brooks, Geologist in charge of division, topography and triangulation by T.G. Gerdine ... [et al.].

MLA

Geological Survey (U.S.). Reconnaissance map of Koyukuk-Chandalar region, Alaska / U.S. Geological Survey ; Alfred H. Brooks, Geologist in charge of division, topography and triangulation by T.G. Gerdine ... [et al.].. BRBL_00633. 1913. https://collections.library.yale.edu/catalog/15821757.

APA, 6th edition

Geological Survey (U.S.). (["BRBL_00633"])(1913)[Reconnaissance map of Koyukuk-Chandalar region, Alaska / U.S. Geological Survey ; Alfred H. Brooks, Geologist in charge of division, topography and triangulation by T.G. Gerdine ... [et al.].]. https://collections.library.yale.edu/catalog/15821757.