Verdun - Os (bones and skeletons) […] (Douaumont ossuary)

Chicago citation style
Verdun - Os (bones and skeletons) […] (Douaumont ossuary). 1914/1918. Retrieved from the Digital Public Library of America, http://digital.libraries.psu.edu/cdm/ref/collection/ww1stereo/id/281. (Accessed December 18, 2018.)
APA citation style
(1914/1918) Verdun - Os (bones and skeletons) […] (Douaumont ossuary). Retrieved from the Digital Public Library of America, http://digital.libraries.psu.edu/cdm/ref/collection/ww1stereo/id/281
MLA citation style
Retrieved from the Digital Public Library of America <http://digital.libraries.psu.edu/cdm/ref/collection/ww1stereo/id/281>.
Note: These citations are programmatically generated and may be incomplete.