APA (7th ed.) Citation

Benton, W. (1973). The new encyclopedia britanica: Ready reference and index. Volume IX. William Benton.

Chicago Style (17th ed.) Citation

Benton, William. The New Encyclopedia Britanica: Ready Reference and Index. Volume IX. William Benton, 1973.

MLA (8th ed.) Citation

Benton, William. The New Encyclopedia Britanica: Ready Reference and Index. Volume IX. William Benton, 1973.

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