[2 architectural elevations of a cathedral]
MLA
[2 Architectural Elevations of a Cathedral]. 0AD. https://collections.library.yale.edu/catalog/2044565.
APA, 6th edition
[2 architectural elevations of a cathedral]. (0 C.E.). [Architectural drawings, Illustrations, Intaglio prints, Prints (Visual works), Woodcuts]. https://collections.library.yale.edu/catalog/2044565.