Cite

Block House, Upper Cascades (D 167)

MLA

Block House, Upper Cascades (D 167). 0AD. https://collections.library.yale.edu/catalog/2009713.

APA, 6th edition

Block House, Upper Cascades (D 167). (0 C.E.). [Cabinet photographs, Card photographs, Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2009713.