Center of Gravity Diagram by Karpovich (c. 1958)

Chicago citation style
Karpovich, Peter V. Center of Gravity Diagram by Karpovich (c. 1958). 1958. Retrieved from the Digital Public Library of America, http://cdm16122.contentdm.oclc.org/cdm/ref/collection/p15370coll2/id/4983. (Accessed June 21, 2018.)
APA citation style
Karpovich, Peter V, (1958) Center of Gravity Diagram by Karpovich (c. 1958). Retrieved from the Digital Public Library of America, http://cdm16122.contentdm.oclc.org/cdm/ref/collection/p15370coll2/id/4983
MLA citation style
Karpovich, Peter V. Retrieved from the Digital Public Library of America <http://cdm16122.contentdm.oclc.org/cdm/ref/collection/p15370coll2/id/4983>.
Note: These citations are programmatically generated and may be incomplete.