Cross bedded sandstone, Zion National Park, 1929
MLA
Cross Bedded Sandstone, Zion National Park, 1929. 1929. https://collections.library.yale.edu/catalog/2024901.
APA, 6th edition
Cross bedded sandstone, Zion National Park, 1929. (1929). [Photographic prints, Photographs, Snapshots]. https://collections.library.yale.edu/catalog/2024901.