Cita APA (7a ed.)

Drinkwater, J. (1921). Oliver Cromwell, a play. Sidgwick & Jackson.

Cita Chicago Style (17a ed.)

Drinkwater, John. Oliver Cromwell, a Play. London: Sidgwick & Jackson, 1921.

Cita MLA (8a ed.)

Drinkwater, John. Oliver Cromwell, a Play. Sidgwick & Jackson, 1921.