Mathematical calculations copybook

Chicago citation style
Mathematical calculations copybook. unknown. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/childrens/id/779. (Accessed October 16, 2018.)
APA citation style
(unknown) Mathematical calculations copybook. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/childrens/id/779
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/childrens/id/779>.
Note: These citations are programmatically generated and may be incomplete.