APA (7th ed.) Citation

Corporation, A. (1972). THE ENCYCLOPEDIA AMERICANA: 30 VOLUMES. Americana Corporation.

Chicago Style (17th ed.) Citation

Corporation, Americana. THE ENCYCLOPEDIA AMERICANA: 30 VOLUMES. Americana Corporation, 1972.

MLA (8th ed.) Citation

Corporation, Americana. THE ENCYCLOPEDIA AMERICANA: 30 VOLUMES. Americana Corporation, 1972.

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