APA Citation

Barnhart, C. L., & Barnhart, R. K. (1984). The World book dictionary. Chicago: World Book.

Chicago Style Citation

Barnhart, Clarence L., and Robert K. Barnhart. The World Book Dictionary. Chicago: World Book, 1984.

MLA Citation

Barnhart, Clarence L., and Robert K. Barnhart. The World Book Dictionary. Chicago: World Book, 1984.

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