10925. Grand Canyon of Arizona, from Hotel El Tovar.
MLA
Co, Detroit Publishing. 10925. Grand Canyon of Arizona, from Hotel El Tovar. 1910. https://collections.library.yale.edu/catalog/2017889.
APA, 6th edition
Co, D. P. (1910). 10925. Grand Canyon of Arizona, from Hotel El Tovar. [Photographic postcards, Photographic prints]. https://collections.library.yale.edu/catalog/2017889.