McKinley's wall outline maps, Asia.
MLA
Company, McKinley Publishing. McKinley's Wall Outline Maps, Asia. McKinley Publishhing Co., 0AD. https://collections.library.yale.edu/catalog/15827177.
APA, 6th edition
Company, M. K. P. (0 C.E.). McKinley's wall outline maps, Asia. [Outline maps, Wall maps]. McKinley Publishhing Co., https://collections.library.yale.edu/catalog/15827177.