Cita APA (7a ed.)
Pei, M. (1969). What's in a word?: Language: yesterday, today, and tomorrow. Hawthorn Books.
Cita Chicago Style (17a ed.)
Pei, Mario. What's in a Word?: Language: Yesterday, Today, and Tomorrow. New York, USA: Hawthorn Books, 1969.
Cita MLA (9a ed.)
Pei, Mario. What's in a Word?: Language: Yesterday, Today, and Tomorrow. Hawthorn Books, 1969.
警告：這些引文格式不一定是100％准確.