APA (7th ed.) Citation

(1973). The McGraw-Hill encyclopedia of world biography, 12: Study guides - index. McGraw-Hill Book.

Chicago Style (17th ed.) Citation

The McGraw-Hill Encyclopedia of World Biography, 12: Study Guides - Index. McGraw-Hill Book, 1973.

MLA (8th ed.) Citation

The McGraw-Hill Encyclopedia of World Biography, 12: Study Guides - Index. McGraw-Hill Book, 1973.

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