Science classes

Chicago citation style
Science classes. 1977-11. Retrieved from the Digital Public Library of America, https://ark.digitalcommonwealth.org/ark:/50959/rn3013782. (Accessed December 9, 2018.)
APA citation style
(1977-11) Science classes. Retrieved from the Digital Public Library of America, https://ark.digitalcommonwealth.org/ark:/50959/rn3013782
MLA citation style
Retrieved from the Digital Public Library of America <https://ark.digitalcommonwealth.org/ark:/50959/rn3013782>.
Note: These citations are programmatically generated and may be incomplete.