Cite

Interglacial Forest of the Medenhall, opp p. 148 [Hubbard looking at tree stump.]

MLA

Interglacial Forest of the Medenhall, Opp p. 148 [Hubbard Looking at Tree Stump.]. 0AD. https://collections.library.yale.edu/catalog/2007395.

APA, 6th edition

Interglacial Forest of the Medenhall, opp p. 148 [Hubbard looking at tree stump.]. (0 C.E.). [Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2007395.