Cite

Panama-Pacific Exposition via Glacier National Park.

MLA

Panama-Pacific Exposition via Glacier National Park. Great Northern Railway, 0AD. https://collections.library.yale.edu/catalog/16566810.

APA, 6th edition

Panama-Pacific Exposition via Glacier National Park. (0 C.E.). Great Northern Railway, https://collections.library.yale.edu/catalog/16566810.