Citazione Stile APA (7a Edizione)

Purdom, C. B. (1963). A guide to the plays of Bernard Shaw. Methuen.

Citazione stile Chigago Style (17a edizione)

Purdom, Charles Benjamin. A Guide to the Plays of Bernard Shaw. London: Methuen, 1963.

Citatione MLA (9a ed.)

Purdom, Charles Benjamin. A Guide to the Plays of Bernard Shaw. Methuen, 1963.