Gyroidalplane Helicopter (1910)

Chicago citation style
unidentified. Gyroidalplane Helicopter (1910). November 9, 1910. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/advert/id/39. (Accessed July 22, 2018.)
APA citation style
unidentified, (November 9, 1910) Gyroidalplane Helicopter (1910). Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/advert/id/39
MLA citation style
unidentified. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/advert/id/39>.
Note: These citations are programmatically generated and may be incomplete.