APA (7th ed.) Citation

Zimbardo, P. G. (1978). Shyness: What it is, what to do about it (8. print.). Addison-Wesley.

Chicago Style (17th ed.) Citation

Zimbardo, Philip G. Shyness: What It Is, What to Do About It. 8. print. Reading, Mass: Addison-Wesley, 1978.

MLA (9th ed.) Citation

Zimbardo, Philip G. Shyness: What It Is, What to Do About It. 8. print. Addison-Wesley, 1978.