[Engravings and photogenic drawing in The mechanic and chemist]

Chicago citation style
Ackermann, Rudolph, 1764-1834. [Engravings and photogenic drawing in The mechanic and chemist]. 1839. Retrieved from the Digital Public Library of America, http://maca.contentdm.oclc.org/u?/p1325coll1,2778. (Accessed July 20, 2018.)
APA citation style
Ackermann, Rudolph, 1764-1834, (1839) [Engravings and photogenic drawing in The mechanic and chemist]. Retrieved from the Digital Public Library of America, http://maca.contentdm.oclc.org/u?/p1325coll1,2778
MLA citation style
Ackermann, Rudolph, 1764-1834. Retrieved from the Digital Public Library of America <http://maca.contentdm.oclc.org/u?/p1325coll1,2778>.
Note: These citations are programmatically generated and may be incomplete.