The wizard of Oz :
the screenplay /
by Noel Langley, Florence Ryerson, & Edgar Allan Woolf ; from the book by L. Frank Baum ; edited with an introduction by Michael Patrick Hearn.
APA Citation
Langley, N., Baum, L. Frank (Lyman Frank)., Hearn, M. Patrick., Woolf, E. Allan., Ryerson, F. (1989). The wizard of Oz: the screenplay. New York: Delta Books.
MLA Citation
Ryerson, F, et al.. The Wizard of Oz: the Screenplay. New York: Delta Books, 1989.
Warning: These citations may not always be complete (especially for serials).