Devils Post Pile National Monunment. 38
MLA
Devils Post Pile National Monunment. 38. 0AD. https://collections.library.yale.edu/catalog/2015422.
APA, 6th edition
Devils Post Pile National Monunment. 38. (0 C.E.). [Photographic prints, Photographs, Stereographs]. https://collections.library.yale.edu/catalog/2015422.