Cita APA (7a ed.)

Priestley, J. B., & Brown, I. (1951). The Priestley companion: With an introduction by Ivor Brown. Penguin Books.

Cita Chicago Style (17a ed.)

Priestley, J. B., y Ivor Brown. The Priestley Companion: With an Introduction by Ivor Brown. Great Britain: Penguin Books, 1951.

Cita MLA (9a ed.)

Priestley, J. B., y Ivor Brown. The Priestley Companion: With an Introduction by Ivor Brown. Penguin Books, 1951.