Cite

McKinley's Wall Outline Maps Central Europe.

MLA

McKinley's Wall Outline Maps Central Europe. The McKinley Publishing Co., 1906. https://collections.library.yale.edu/catalog/15238153.

APA, 6th edition

McKinley's Wall Outline Maps Central Europe. (1906). [Maps]. The McKinley Publishing Co., https://collections.library.yale.edu/catalog/15238153.