Dental students practice x-ray film placement using dummy, Boston

Chicago citation style
Grant, Spencer, 1944-. Dental students practice x-ray film placement using dummy, Boston. 1972. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/jq085q32k. (Accessed June 23, 2018.)
APA citation style
Grant, Spencer, 1944-, (1972) Dental students practice x-ray film placement using dummy, Boston. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/jq085q32k
MLA citation style
Grant, Spencer, 1944-. Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/jq085q32k>.
Note: These citations are programmatically generated and may be incomplete.