Cite

Anderson's new map of Alaska and Northwest Territory / compiled and published by the O.P. Anderson Map & Blue Print Co., Inc.

MLA

Company, Anderson Map. Anderson's New Map of Alaska and Northwest Territory / Compiled and Published by the O.P. Anderson Map & Blue Print Co., Inc. [O.P. Anderson Map & Blue Print Co.], 0AD. https://collections.library.yale.edu/catalog/15821713.

APA, 6th edition

Company, A. M. (0 C.E.). Anderson's new map of Alaska and Northwest Territory / compiled and published by the O.P. Anderson Map & Blue Print Co., Inc. [Maps]. [O.P. Anderson Map & Blue Print Co.], https://collections.library.yale.edu/catalog/15821713.