Cita APA (7th ed.)

Bereiter, C., & Anderson, V. (1989). Willy the Wisher and other thinking stories: An Open Court thinking story book. Open Court.

Cita Chicago (17th ed.)

Bereiter, Carl, i Valerie Anderson. Willy the Wisher and Other Thinking Stories: An Open Court Thinking Story Book. La Salle, Ill.: Open Court, 1989.

Cita MLA (8th ed.)

Bereiter, Carl, i Valerie Anderson. Willy the Wisher and Other Thinking Stories: An Open Court Thinking Story Book. Open Court, 1989.