1312. Echo Rocks, Glen Eyrie
MLA
Mellen, George Egbert. 1312. Echo Rocks, Glen Eyrie. 0AD. https://collections.library.yale.edu/catalog/2014631.
APA, 6th edition
Mellen, G. E. (0 C.E.). 1312. Echo Rocks, Glen Eyrie [Card photographs, Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2014631.