Classrm - science

Chicago citation style
Classrm - science. 1975-05. Retrieved from the Digital Public Library of America, https://ark.digitalcommonwealth.org/ark:/50959/rn301408k. (Accessed December 13, 2018.)
APA citation style
(1975-05) Classrm - science. Retrieved from the Digital Public Library of America, https://ark.digitalcommonwealth.org/ark:/50959/rn301408k
MLA citation style
Retrieved from the Digital Public Library of America <https://ark.digitalcommonwealth.org/ark:/50959/rn301408k>.
Note: These citations are programmatically generated and may be incomplete.