Purification tablets

Chicago citation style
Purification tablets. 1980. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/nz809808t. (Accessed July 15, 2018.)
APA citation style
(1980) Purification tablets. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/nz809808t
MLA citation style
Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/nz809808t>.
Note: These citations are programmatically generated and may be incomplete.