Gadgets of Thomas L. Ryan, patent attorney

Chicago citation style
Greene, Richard A., 1903-1984. Gadgets of Thomas L. Ryan, patent attorney. circa 1930s-1970s. Retrieved from the Digital Public Library of America, http://libx.bsu.edu/cdm/ref/collection/sg/id/2564. (Accessed June 21, 2018.)
APA citation style
Greene, Richard A., 1903-1984, (circa 1930s-1970s) Gadgets of Thomas L. Ryan, patent attorney. Retrieved from the Digital Public Library of America, http://libx.bsu.edu/cdm/ref/collection/sg/id/2564
MLA citation style
Greene, Richard A., 1903-1984. Retrieved from the Digital Public Library of America <http://libx.bsu.edu/cdm/ref/collection/sg/id/2564>.
Note: These citations are programmatically generated and may be incomplete.