United States Patent 4,538,480: Bicycle Pedal and Shoe

Chicago citation style
Department of Commerce. Patent and Trademark Office. 1975. United States Patent 4,538,480: Bicycle Pedal and Shoe. 1985-09-03. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/5742970. (Accessed September 19, 2018.)
APA citation style
Department of Commerce. Patent and Trademark Office. 1975, (1985-09-03) United States Patent 4,538,480: Bicycle Pedal and Shoe. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/5742970
MLA citation style
Department of Commerce. Patent and Trademark Office. 1975. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/5742970>.
Note: These citations are programmatically generated and may be incomplete.