APA (7th ed.) Citation

Urdang, L. (1988). Dictionary of confusable words. Facts On File.

Chicago Style (17th ed.) Citation

Urdang, Laurence. Dictionary of Confusable Words. New York: Facts On File, 1988.

MLA (9th ed.) Citation

Urdang, Laurence. Dictionary of Confusable Words. Facts On File, 1988.