APA (7th ed.) Zitazioa

Olson, K. G. (1987). Why teenagers act the way they do. Group Books.

Chicago Style (17th ed.) Zitazioa

Olson, Keith G. Why Teenagers Act the Way They Do. Colorado: Group Books, 1987.

MLA (9th ed.) Zitazioa

Olson, Keith G. Why Teenagers Act the Way They Do. Group Books, 1987.