APA (7th ed.) Citation

Pei, M. (1968). What's in a word?: Language: yesterday, today, and tomorrow. Hawthorn Books.

Chicago Style (17th ed.) Citation

Pei, Mario. What's in a Word?: Language: Yesterday, Today, and Tomorrow. New York: Hawthorn Books, 1968.

MLA (9th ed.) Citation

Pei, Mario. What's in a Word?: Language: Yesterday, Today, and Tomorrow. Hawthorn Books, 1968.