Physical science

Chicago citation style
Physical science. 1963-1969. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/k930c2498. (Accessed June 19, 2018.)
APA citation style
(1963-1969) Physical science. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/k930c2498
MLA citation style
Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/k930c2498>.
Note: These citations are programmatically generated and may be incomplete.