Cita APA (7a ed.)

Priestley, J. B., & Brown, I. (1951). The Priestley companion. Penguin.

Cita Chicago Style (17a ed.)

Priestley, J. B., y Ivor Brown. The Priestley Companion. Harmondsworth: Penguin, 1951.

Cita MLA (9a ed.)

Priestley, J. B., y Ivor Brown. The Priestley Companion. Penguin, 1951.