APA (7th ed.) Citation

Richards, G. (1969). Who killed Aunt Caroline?: A mystery play in three acts. S. French.

Chicago Style (17th ed.) Citation

Richards, Grant. Who Killed Aunt Caroline?: A Mystery Play in Three Acts. New York: S. French, 1969.

MLA (9th ed.) Citation

Richards, Grant. Who Killed Aunt Caroline?: A Mystery Play in Three Acts. S. French, 1969.