First aid

Chicago citation style
First aid. [191-?]. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/100232858. (Accessed December 18, 2018.)
APA citation style
([191-?]) First aid. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/100232858
MLA citation style
Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/100232858>.
Note: These citations are programmatically generated and may be incomplete.