The formation of letters, mechanical drawing, structural drafting, sketching

Chicago citation style
The formation of letters, mechanical drawing, structural drafting, sketching. [1907]. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/005962962. (Accessed December 11, 2018.)
APA citation style
([1907]) The formation of letters, mechanical drawing, structural drafting, sketching. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/005962962
MLA citation style
Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/005962962>.
Note: These citations are programmatically generated and may be incomplete.