Cite

[Elevation of a nine-bay house, severely horizontal, the center bays forming a bow fronted by a Perron staircase] [art original].

MLA

[Elevation of a Nine-Bay House, Severely Horizontal, the Center Bays Forming a Bow Fronted by a Perron Staircase] [Art Original]. 0AD. https://collections.library.yale.edu/catalog/11019097.

APA, 6th edition

[Elevation of a nine-bay house, severely horizontal, the center bays forming a bow fronted by a Perron staircase] [art original]. (0 C.E.). [Architectural drawings British, Ink drawings British 18th century, Wash drawings British 18th century]. https://collections.library.yale.edu/catalog/11019097.