Cite

Portion of the West wall of the Principal Temple at machu Picchu.

MLA

Bingham, Hiram. Portion of the West Wall of the Principal Temple at Machu Picchu. 0AD. https://collections.library.yale.edu/catalog/10014104.

APA, 6th edition

Bingham, H. (0 C.E.). Portion of the West wall of the Principal Temple at machu Picchu. [Books (part of)]. https://collections.library.yale.edu/catalog/10014104.