APA (7th ed.) Citation

Harmetz, A. (1977). The making of "The wizard of Oz". Knopf.

Chicago Style (17th ed.) Citation

Harmetz, Aljean. The Making of "The Wizard of Oz". New York: Knopf, 1977.

MLA (9th ed.) Citation

Harmetz, Aljean. The Making of "The Wizard of Oz". Knopf, 1977.

Warning: These citations may not always be 100% accurate.