Classification of the World's Columbian exposition, Chicago, U.S.A., 1893

MLA

United States. Classification of the World's Columbian exposition, Chicago, U.S.A., 1893. [Place of publication not identified] : [publisher not identified], [1891]

APA

United States. (1891). Classification of the World's Columbian exposition, Chicago, U.S.A., 1893. [Place of publication not identified] : [publisher not identified].

Chicago

United States. Classification of the World's Columbian exposition, Chicago, U.S.A., 1893. [Place of publication not identified] : [publisher not identified], [1891]