APA (7th ed.) Citation

Ehrlich, G. (1951). The international exposition: An index to American art of the ninetheenth century. [publisher not identified].

Chicago Style (17th ed.) Citation

Ehrlich, George. The International Exposition: An Index to American Art of the Ninetheenth Century. [Place of publication not identified]: [publisher not identified], 1951.

MLA (9th ed.) Citation

Ehrlich, George. The International Exposition: An Index to American Art of the Ninetheenth Century. [publisher not identified], 1951.

Warning: These citations may not always be 100% accurate.