Cite

Cactus (Cereus giganteus), Arizona (B 4849)

MLA

Cactus (Cereus Giganteus), Arizona (B 4849). 0AD. https://collections.library.yale.edu/catalog/2009719.

APA, 6th edition

Cactus (Cereus giganteus), Arizona (B 4849). (0 C.E.). [Cabinet photographs, Card photographs, Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2009719.