Cita APA (7a ed.)

Tillyard, E. M. W. (1965). Shakespeare's problem plays. Penguin [etc.].

Cita Chicago Style (17a ed.)

Tillyard, E. M. W. Shakespeare's Problem Plays. Harmondsworth [etc.]: Penguin [etc.], 1965.

Cita MLA (9a ed.)

Tillyard, E. M. W. Shakespeare's Problem Plays. Penguin [etc.], 1965.