Biggest wheel on earth 240 ft. diam. with heaviest axle ever forged (56 tons), World's Fair, St.Louis, U.S.A

Chicago citation style
Biggest wheel on earth 240 ft. diam. with heaviest axle ever forged (56 tons), World's Fair, St.Louis, U.S.A. 1904. Retrieved from the Digital Public Library of America, http://digitalcollections.nypl.org/items/510d47e0-93da-a3d9-e040-e00a18064a99. (Accessed December 15, 2018.)
APA citation style
(1904) Biggest wheel on earth 240 ft. diam. with heaviest axle ever forged (56 tons), World's Fair, St.Louis, U.S.A. Retrieved from the Digital Public Library of America, http://digitalcollections.nypl.org/items/510d47e0-93da-a3d9-e040-e00a18064a99
MLA citation style
Retrieved from the Digital Public Library of America <http://digitalcollections.nypl.org/items/510d47e0-93da-a3d9-e040-e00a18064a99>.
Note: These citations are programmatically generated and may be incomplete.