APA Citation

Pei, E. (1973). How to learn languages and what languages to learn. Harper & Row.

Chicago Style Citation

Pei, Ed.Mario. How to Learn Languages and What Languages to Learn. Harper & Row, 1973.

MLA Citation

Pei, Ed.Mario. How to Learn Languages and What Languages to Learn. Harper & Row, 1973.

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