APA (7th ed.) Citation

(1961). The Encyclopedia Americana: The international reference work. Americana Corp. of Canada.

Chicago Style (17th ed.) Citation

The Encyclopedia Americana: The International Reference Work. Montreal: Americana Corp. of Canada, 1961.

MLA (9th ed.) Citation

The Encyclopedia Americana: The International Reference Work. Americana Corp. of Canada, 1961.

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