APA (7th ed.) Citation

Zimbardo, P. G. (1977). Shyness: What it is, what to do about it. Addison-Wesley Pub.

Chicago Style (17th ed.) Citation

Zimbardo, Philip G. Shyness: What It Is, What to Do About It. Reading, Mass: Addison-Wesley Pub, 1977.

MLA (9th ed.) Citation

Zimbardo, Philip G. Shyness: What It Is, What to Do About It. Addison-Wesley Pub, 1977.