APA (7e ed.) Bronvermelding

(1930). Curtain at eight: Photoplay title of The backstage mystery / by Octavus Roy Cohen.

Chicago (17e ed.) Bronvermelding

Curtain at Eight: Photoplay Title of The Backstage Mystery / by Octavus Roy Cohen. 1930.

MLA (9e ed.) Bronvermelding

Curtain at Eight: Photoplay Title of The Backstage Mystery / by Octavus Roy Cohen. 1930.

Let op: Deze citaties zijn niet altijd 100% accuraat.