Citazione Stile APA (7a Edizione)

Ferrett, S. K. (1997). Peak performance: Success in college & beyond (2nd ed.). Irwin Mirror Press.

Citazione stile Chigago Style (17a edizione)

Ferrett, Sharon K. Peak Performance: Success in College & Beyond. 2nd ed. Chicago: Irwin Mirror Press, 1997.

Citatione MLA (8a ed.)

Ferrett, Sharon K. Peak Performance: Success in College & Beyond. 2nd ed. Irwin Mirror Press, 1997.