Site Index #37. Ponderosa pine sixty years old

Chicago citation style
Clar, C.R. Site Index #37. Ponderosa pine sixty years old. Retrieved from the Digital Public Library of America, http://dc.lib.berkeley.edu/catalog/VTM_vtm1_1131_photo. (Accessed December 14, 2018.)
APA citation style
Clar, C.R, Site Index #37. Ponderosa pine sixty years old. Retrieved from the Digital Public Library of America, http://dc.lib.berkeley.edu/catalog/VTM_vtm1_1131_photo
MLA citation style
Clar, C.R. Retrieved from the Digital Public Library of America <http://dc.lib.berkeley.edu/catalog/VTM_vtm1_1131_photo>.
Note: These citations are programmatically generated and may be incomplete.