Military map of the United States of America : showing location of all forces in training / issued by the Union Pacific System.
MLA
Military Map of the United States of America : Showing Location of All Forces in Training / Issued by the Union Pacific System. Poole Bros., 0AD. https://collections.library.yale.edu/catalog/15827807.
APA, 6th edition
Military map of the United States of America : showing location of all forces in training / issued by the Union Pacific System. (0 C.E.). [Maps]. Poole Bros., https://collections.library.yale.edu/catalog/15827807.
