The Creeks 11 (wall with inverted pyramid inset)
MLA
Giard, Robert. The Creeks 11 (Wall with Inverted Pyramid Inset). 1991. https://collections.library.yale.edu/catalog/2032778.
APA, 6th edition
Giard, R. (1991). The Creeks 11 (wall with inverted pyramid inset). https://collections.library.yale.edu/catalog/2032778.