See this example properly formatted in the QUT Cite tool.
(Shakespeare, 1623/2006, 1.2.177)
(Whedon, 2003, p. 25)
Refer to the Act.Scene:Line if more appropriate than using page numbers.
Author. (Year). Title (Editor, Ed.). Publisher.
Shakespeare, W. (2006). Romeo and Juliet (B. Gibbons, Ed.). Routledge. (Original work published 1623)
Williamson, D. (2014). Emerald city. Currency Plays.
Chekhov, A. (2006). The seagull (M. Crimp, Ed. & H. Rappaport, Trans.). Faber and Faber. (Original work published 1896)
Include an editor if it is mentioned on the script.
For works that have been out of print then republished (which is common for older plays), and for works that have been translated into English, add (Original work published Year) at the end of the reference.
Author. (Year). Title of script. In A. A. Editor (Ed.), Title of book (pp. xxx-xxx). Publisher.
Denham, A. (2006). The Kelly gang. In R. Fotheringham & A. Turner (Eds.), Australian plays for the colonial stage: 1834-1899 (pp. 701-756). University of Queensland Press.
Molière. (2001). The misanthrope. In M. Slater (Trans.), The misanthrope, Tartuffe, and other plays (pp.207-274). Oxford University Press. (Original work published 1666)
Whedon, J. (2003). Anne. In Buffy the vampire slayer: The script book, Season three (pp. 1-53). Simon Pulse.
Include an editor only if it is mentioned on the script.
A script from an anthology is treated as a chapter in an edited book but may not have an editor.