Citazione Stile APA (7a Edizione)

Thomas, V. The moral universe of Shakespeare's problem plays.

Citazione stile Chigago Style (17a edizione)

Thomas, Vivian. The Moral Universe of Shakespeare's Problem Plays. London : Croom Helm, c1987.

Citatione MLA (9a ed.)

Thomas, Vivian. The Moral Universe of Shakespeare's Problem Plays.