Citazione Stile APA (7a Edizione)

Flett, G. L., & Hewitt, P. L. (2002). Perfectionism: Theory, research, and treatment. American Psychological Association.

Citazione stile Chigago Style (17a edizione)

Flett, Gordon L., e Paul L. Hewitt. Perfectionism: Theory, Research, and Treatment. Washington, DC: American Psychological Association, 2002.

Citatione MLA (9a ed.)

Flett, Gordon L., e Paul L. Hewitt. Perfectionism: Theory, Research, and Treatment. American Psychological Association, 2002.