Citazione Stile APA (7a Edizione)

Waldie, E. (2002). Triumph of the challenged: Conversations with especially able people. Purple Field Press.

Citazione stile Chigago Style (17a edizione)

Waldie, Elspeth. Triumph of the Challenged: Conversations with Especially Able People. Ilminster: Purple Field Press, 2002.

Citatione MLA (8a ed.)

Waldie, Elspeth. Triumph of the Challenged: Conversations with Especially Able People. Purple Field Press, 2002.